1 ;;; cal-hebrew.el --- calendar functions for the Hebrew calendar
3 ;; Copyright (C) 1995, 1997, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
4 ;; 2008 Free Software Foundation, Inc.
6 ;; Author: Nachum Dershowitz <nachum@cs.uiuc.edu>
7 ;; Edward M. Reingold <reingold@cs.uiuc.edu>
8 ;; Maintainer: Glenn Morris <rgm@gnu.org>
10 ;; Human-Keywords: Hebrew calendar, calendar, diary
12 ;; This file is part of GNU Emacs.
14 ;; GNU Emacs is free software; you can redistribute it and/or modify
15 ;; it under the terms of the GNU General Public License as published by
16 ;; the Free Software Foundation; either version 3, or (at your option)
19 ;; GNU Emacs is distributed in the hope that it will be useful,
20 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 ;; GNU General Public License for more details.
24 ;; You should have received a copy of the GNU General Public License
25 ;; along with GNU Emacs; see the file COPYING. If not, write to the
26 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
27 ;; Boston, MA 02110-1301, USA.
31 ;; This collection of functions implements the features of calendar.el and
32 ;; diary.el that deal with the Hebrew calendar.
34 ;; Technical details of all the calendrical calculations can be found in
35 ;; ``Calendrical Calculations: The Millennium Edition'' by Edward M. Reingold
36 ;; and Nachum Dershowitz, Cambridge University Press (2001).
41 (defvar displayed-month
)
42 (defvar displayed-year
)
45 (defvar original-date
)
49 (defun hebrew-calendar-leap-year-p (year)
50 "t if YEAR is a Hebrew calendar leap year."
51 (< (%
(1+ (* 7 year
)) 19) 7))
53 (defun hebrew-calendar-last-month-of-year (year)
54 "The last month of the Hebrew calendar YEAR."
55 (if (hebrew-calendar-leap-year-p year
)
59 (defun hebrew-calendar-elapsed-days (year)
60 "Days from Sun. prior to start of Hebrew calendar to mean conjunction of Tishri of Hebrew YEAR."
61 (let* ((months-elapsed
62 (+ (* 235 (/ (1- year
) 19));; Months in complete cycles so far.
63 (* 12 (%
(1- year
) 19)) ;; Regular months in this cycle
64 (/ (1+ (* 7 (%
(1- year
) 19))) 19)));; Leap months this cycle
65 (parts-elapsed (+ 204 (* 793 (% months-elapsed
1080))))
68 (* 793 (/ months-elapsed
1080))
69 (/ parts-elapsed
1080)))
70 (parts ;; Conjunction parts
71 (+ (* 1080 (% hours-elapsed
24)) (% parts-elapsed
1080)))
72 (day ;; Conjunction day
73 (+ 1 (* 29 months-elapsed
) (/ hours-elapsed
24)))
75 (if (or (>= parts
19440) ;; If the new moon is at or after midday,
76 (and (= (% day
7) 2);; ...or is on a Tuesday...
77 (>= parts
9924) ;; at 9 hours, 204 parts or later...
78 (not (hebrew-calendar-leap-year-p year
)));; of a
80 (and (= (% day
7) 1);; ...or is on a Monday...
81 (>= parts
16789) ;; at 15 hours, 589 parts or later...
82 (hebrew-calendar-leap-year-p (1- year
))));; at the end
84 ;; Then postpone Rosh HaShanah one day
88 (if ;; If Rosh HaShanah would occur on Sunday, Wednesday, or Friday
89 (memq (% alternative-day
7) (list 0 3 5))
90 ;; Then postpone it one (more) day and return
95 (defun hebrew-calendar-days-in-year (year)
96 "Number of days in Hebrew YEAR."
97 (- (hebrew-calendar-elapsed-days (1+ year
))
98 (hebrew-calendar-elapsed-days year
)))
100 (defun hebrew-calendar-long-heshvan-p (year)
101 "t if Heshvan is long in Hebrew YEAR."
102 (= (%
(hebrew-calendar-days-in-year year
) 10) 5))
104 (defun hebrew-calendar-short-kislev-p (year)
105 "t if Kislev is short in Hebrew YEAR."
106 (= (%
(hebrew-calendar-days-in-year year
) 10) 3))
108 (defun hebrew-calendar-last-day-of-month (month year
)
109 "The last day of MONTH in YEAR."
110 (if (or (memq month
(list 2 4 6 10 13))
111 (and (= month
12) (not (hebrew-calendar-leap-year-p year
)))
112 (and (= month
8) (not (hebrew-calendar-long-heshvan-p year
)))
113 (and (= month
9) (hebrew-calendar-short-kislev-p year
)))
117 (defun calendar-absolute-from-hebrew (date)
118 "Absolute date of Hebrew DATE.
119 The absolute date is the number of days elapsed since the (imaginary)
120 Gregorian date Sunday, December 31, 1 BC."
121 (let* ((month (extract-calendar-month date
))
122 (day (extract-calendar-day date
))
123 (year (extract-calendar-year date
)))
124 (+ day
;; Days so far this month.
125 (if (< month
7);; before Tishri
126 ;; Then add days in prior months this year before and after Nisan
128 m
7 (<= m
(hebrew-calendar-last-month-of-year year
))
129 (hebrew-calendar-last-day-of-month m year
))
132 (hebrew-calendar-last-day-of-month m year
)))
133 ;; Else add days in prior months this year
136 (hebrew-calendar-last-day-of-month m year
)))
137 (hebrew-calendar-elapsed-days year
);; Days in prior years.
138 -
1373429))) ;; Days elapsed before absolute date 1.
140 (defun calendar-hebrew-from-absolute (date)
141 "Compute the Hebrew date (month day year) corresponding to absolute DATE.
142 The absolute date is the number of days elapsed since the (imaginary)
143 Gregorian date Sunday, December 31, 1 BC."
144 (let* ((greg-date (calendar-gregorian-from-absolute date
))
145 (month (aref [9 10 11 12 1 2 3 4 7 7 7 8]
146 (1- (extract-calendar-month greg-date
))))
148 (year (+ 3760 (extract-calendar-year greg-date
))))
149 (while (>= date
(calendar-absolute-from-hebrew (list 7 1 (1+ year
))))
150 (setq year
(1+ year
)))
151 (let ((length (hebrew-calendar-last-month-of-year year
)))
153 (calendar-absolute-from-hebrew
155 (hebrew-calendar-last-day-of-month month year
)
157 (setq month
(1+ (% month length
)))))
159 (- date
(calendar-absolute-from-hebrew (list month
1 year
)))))
160 (list month day year
)))
162 (defvar calendar-hebrew-month-name-array-common-year
163 ["Nisan" "Iyar" "Sivan" "Tammuz" "Av" "Elul" "Tishri"
164 "Heshvan" "Kislev" "Teveth" "Shevat" "Adar"]
165 "Array of strings giving the names of the Hebrew months in a common year.")
167 (defvar calendar-hebrew-month-name-array-leap-year
168 ["Nisan" "Iyar" "Sivan" "Tammuz" "Av" "Elul" "Tishri"
169 "Heshvan" "Kislev" "Teveth" "Shevat" "Adar I" "Adar II"]
170 "Array of strings giving the names of the Hebrew months in a leap year.")
172 (defun calendar-hebrew-date-string (&optional date
)
173 "String of Hebrew date before sunset of Gregorian DATE.
174 Defaults to today's date if DATE is not given.
175 Driven by the variable `calendar-date-display-form'."
176 (let* ((hebrew-date (calendar-hebrew-from-absolute
177 (calendar-absolute-from-gregorian
178 (or date
(calendar-current-date)))))
179 (calendar-month-name-array
180 (if (hebrew-calendar-leap-year-p (extract-calendar-year hebrew-date
))
181 calendar-hebrew-month-name-array-leap-year
182 calendar-hebrew-month-name-array-common-year
)))
183 (calendar-date-string hebrew-date nil t
)))
185 (defun calendar-print-hebrew-date ()
186 "Show the Hebrew calendar equivalent of the date under the cursor."
188 (message "Hebrew date (until sunset): %s"
189 (calendar-hebrew-date-string (calendar-cursor-to-date t
))))
191 (defun hebrew-calendar-yahrzeit (death-date year
)
192 "Absolute date of the anniversary of Hebrew DEATH-DATE in Hebrew YEAR."
193 (let* ((death-day (extract-calendar-day death-date
))
194 (death-month (extract-calendar-month death-date
))
195 (death-year (extract-calendar-year death-date
)))
197 ;; If it's Heshvan 30 it depends on the first anniversary; if
198 ;; that was not Heshvan 30, use the day before Kislev 1.
199 ((and (= death-month
8)
201 (not (hebrew-calendar-long-heshvan-p (1+ death-year
))))
202 (1- (calendar-absolute-from-hebrew (list 9 1 year
))))
203 ;; If it's Kislev 30 it depends on the first anniversary; if
204 ;; that was not Kislev 30, use the day before Teveth 1.
205 ((and (= death-month
9)
207 (hebrew-calendar-short-kislev-p (1+ death-year
)))
208 (1- (calendar-absolute-from-hebrew (list 10 1 year
))))
209 ;; If it's Adar II, use the same day in last month of
210 ;; year (Adar or Adar II).
212 (calendar-absolute-from-hebrew
213 (list (hebrew-calendar-last-month-of-year year
) death-day year
)))
214 ;; If it's the 30th in Adar I and year is not a leap year
215 ;; (so Adar has only 29 days), use the last day in Shevat.
216 ((and (= death-day
30)
218 (not (hebrew-calendar-leap-year-p year
)))
219 (calendar-absolute-from-hebrew (list 11 30 year
)))
220 ;; In all other cases, use the normal anniversary of the date of death.
221 (t (calendar-absolute-from-hebrew
222 (list death-month death-day year
))))))
224 (defun calendar-goto-hebrew-date (date &optional noecho
)
225 "Move cursor to Hebrew DATE; echo Hebrew date unless NOECHO is t."
227 (let* ((today (calendar-current-date))
229 "Hebrew calendar year (>3760): "
230 (lambda (x) (> x
3760))
232 (extract-calendar-year
233 (calendar-hebrew-from-absolute
234 (calendar-absolute-from-gregorian today
))))))
235 (month-array (if (hebrew-calendar-leap-year-p year
)
236 calendar-hebrew-month-name-array-leap-year
237 calendar-hebrew-month-name-array-common-year
))
238 (completion-ignore-case t
)
239 (month (cdr (assoc-string
241 "Hebrew calendar month name: "
242 (mapcar 'list
(append month-array nil
))
248 (calendar-make-alist month-array
)
251 (calendar-absolute-from-hebrew
253 (hebrew-calendar-last-day-of-month
257 (calendar-make-alist month-array
1) t
)))
258 (last (hebrew-calendar-last-day-of-month month year
))
259 (first (if (and (= year
3761) (= month
10))
262 (format "Hebrew calendar day (%d-%d): "
264 (lambda (x) (and (<= first x
) (<= x last
))))))
265 (list (list month day year
))))
266 (calendar-goto-date (calendar-gregorian-from-absolute
267 (calendar-absolute-from-hebrew date
)))
268 (or noecho
(calendar-print-hebrew-date)))
270 (defun holiday-hebrew (month day string
)
271 "Holiday on MONTH, DAY (Hebrew) called STRING.
272 If MONTH, DAY (Hebrew) is visible, the value returned is corresponding
273 Gregorian date in the form of the list (((month day year) STRING)). Returns
274 nil if it is not visible in the current calendar window."
275 (if (memq displayed-month
;; This test is only to speed things up a bit;
276 (list ;; it works fine without the test too.
277 (if (< 11 month
) (- month
11) (+ month
1))
278 (if (< 10 month
) (- month
10) (+ month
2))
279 (if (< 9 month
) (- month
9) (+ month
3))
280 (if (< 8 month
) (- month
8) (+ month
4))
281 (if (< 7 month
) (- month
7) (+ month
5))))
282 (let ((m1 displayed-month
)
287 (increment-calendar-month m1 y1 -
1)
288 (increment-calendar-month m2 y2
1)
289 (let* ((start-date (calendar-absolute-from-gregorian
291 (end-date (calendar-absolute-from-gregorian
292 (list m2
(calendar-last-day-of-month m2 y2
) y2
)))
293 (hebrew-start (calendar-hebrew-from-absolute start-date
))
294 (hebrew-end (calendar-hebrew-from-absolute end-date
))
295 (hebrew-y1 (extract-calendar-year hebrew-start
))
296 (hebrew-y2 (extract-calendar-year hebrew-end
)))
297 (setq year
(if (< 6 month
) hebrew-y2 hebrew-y1
))
298 (let ((date (calendar-gregorian-from-absolute
299 (calendar-absolute-from-hebrew
300 (list month day year
)))))
301 (if (calendar-date-is-visible-p date
)
302 (list (list date string
))))))))
304 ;; h-r-h-e should be called from holidays code.
305 (declare-function holiday-filter-visible-calendar
"holidays" (l))
307 (defun holiday-rosh-hashanah-etc ()
308 "List of dates related to Rosh Hashanah, as visible in calendar window."
309 (if (or (< displayed-month
8)
310 (> displayed-month
11))
311 nil
;; None of the dates is visible
312 (let* ((abs-r-h (calendar-absolute-from-hebrew
313 (list 7 1 (+ displayed-year
3761))))
316 (list (calendar-gregorian-from-absolute abs-r-h
)
317 (format "Rosh HaShanah %d" (+ 3761 displayed-year
)))
318 (list (calendar-gregorian-from-absolute (+ abs-r-h
9))
320 (list (calendar-gregorian-from-absolute (+ abs-r-h
14))
322 (list (calendar-gregorian-from-absolute (+ abs-r-h
21))
324 (list (calendar-gregorian-from-absolute (+ abs-r-h
22))
328 (list (calendar-gregorian-from-absolute
329 (calendar-dayname-on-or-before 6 (- abs-r-h
4)))
331 (list (calendar-gregorian-from-absolute (1- abs-r-h
))
332 "Erev Rosh HaShanah")
333 (list (calendar-gregorian-from-absolute (1+ abs-r-h
))
334 "Rosh HaShanah (second day)")
335 (list (calendar-gregorian-from-absolute
336 (if (= (% abs-r-h
7) 4) (+ abs-r-h
3) (+ abs-r-h
2)))
338 (list (calendar-gregorian-from-absolute
339 (calendar-dayname-on-or-before 6 (+ 7 abs-r-h
)))
341 (list (calendar-gregorian-from-absolute (+ abs-r-h
8))
343 (list (calendar-gregorian-from-absolute (+ abs-r-h
13))
345 (list (calendar-gregorian-from-absolute (+ abs-r-h
15))
346 "Sukkot (second day)")
347 (list (calendar-gregorian-from-absolute (+ abs-r-h
16))
348 "Hol Hamoed Sukkot (first day)")
349 (list (calendar-gregorian-from-absolute (+ abs-r-h
17))
350 "Hol Hamoed Sukkot (second day)")
351 (list (calendar-gregorian-from-absolute (+ abs-r-h
18))
352 "Hol Hamoed Sukkot (third day)")
353 (list (calendar-gregorian-from-absolute (+ abs-r-h
19))
354 "Hol Hamoed Sukkot (fourth day)")
355 (list (calendar-gregorian-from-absolute (+ abs-r-h
20))
358 (holiday-filter-visible-calendar mandatory
)))
359 (if all-hebrew-calendar-holidays
362 (holiday-filter-visible-calendar optional
)
366 (defun holiday-hanukkah ()
367 "List of dates related to Hanukkah, as visible in calendar window."
368 (if (memq displayed-month
;; This test is only to speed things up a bit;
369 '(10 11 12 1 2));; it works fine without the test too.
370 (let ((m displayed-month
)
372 (increment-calendar-month m y
1)
373 (let* ((h-y (extract-calendar-year
374 (calendar-hebrew-from-absolute
375 (calendar-absolute-from-gregorian
376 (list m
(calendar-last-day-of-month m y
) y
)))))
377 (abs-h (calendar-absolute-from-hebrew (list 9 25 h-y
))))
378 (holiday-filter-visible-calendar
380 (list (calendar-gregorian-from-absolute (1- abs-h
))
382 (list (calendar-gregorian-from-absolute abs-h
)
383 "Hanukkah (first day)")
384 (list (calendar-gregorian-from-absolute (1+ abs-h
))
385 "Hanukkah (second day)")
386 (list (calendar-gregorian-from-absolute (+ abs-h
2))
387 "Hanukkah (third day)")
388 (list (calendar-gregorian-from-absolute (+ abs-h
3))
389 "Hanukkah (fourth day)")
390 (list (calendar-gregorian-from-absolute (+ abs-h
4))
391 "Hanukkah (fifth day)")
392 (list (calendar-gregorian-from-absolute (+ abs-h
5))
393 "Hanukkah (sixth day)")
394 (list (calendar-gregorian-from-absolute (+ abs-h
6))
395 "Hanukkah (seventh day)")
396 (list (calendar-gregorian-from-absolute (+ abs-h
7))
397 "Hanukkah (eighth day)")))))))
399 (defun holiday-passover-etc ()
400 "List of dates related to Passover, as visible in calendar window."
401 (if (< 7 displayed-month
)
402 nil
;; None of the dates is visible
403 (let* ((abs-p (calendar-absolute-from-hebrew
404 (list 1 15 (+ displayed-year
3760))))
407 (list (calendar-gregorian-from-absolute abs-p
)
409 (list (calendar-gregorian-from-absolute (+ abs-p
50))
413 (list (calendar-gregorian-from-absolute
414 (calendar-dayname-on-or-before 6 (- abs-p
43)))
416 (list (calendar-gregorian-from-absolute
417 (calendar-dayname-on-or-before 6 (- abs-p
30)))
419 (list (calendar-gregorian-from-absolute
420 (if (= (% abs-p
7) 2) (- abs-p
33) (- abs-p
31)))
422 (list (calendar-gregorian-from-absolute (- abs-p
31))
424 (list (calendar-gregorian-from-absolute (- abs-p
30))
426 (list (calendar-gregorian-from-absolute
427 (if (zerop (% abs-p
7)) (- abs-p
28) (- abs-p
29)))
429 (list (calendar-gregorian-from-absolute
430 (- (calendar-dayname-on-or-before 6 (- abs-p
14)) 7))
432 (list (calendar-gregorian-from-absolute
433 (calendar-dayname-on-or-before 6 (- abs-p
14)))
435 (list (calendar-gregorian-from-absolute
436 (calendar-dayname-on-or-before 6 (1- abs-p
)))
438 (list (calendar-gregorian-from-absolute (1- abs-p
))
440 (list (calendar-gregorian-from-absolute (1+ abs-p
))
441 "Passover (second day)")
442 (list (calendar-gregorian-from-absolute (+ abs-p
2))
443 "Hol Hamoed Passover (first day)")
444 (list (calendar-gregorian-from-absolute (+ abs-p
3))
445 "Hol Hamoed Passover (second day)")
446 (list (calendar-gregorian-from-absolute (+ abs-p
4))
447 "Hol Hamoed Passover (third day)")
448 (list (calendar-gregorian-from-absolute (+ abs-p
5))
449 "Hol Hamoed Passover (fourth day)")
450 (list (calendar-gregorian-from-absolute (+ abs-p
6))
451 "Passover (seventh day)")
452 (list (calendar-gregorian-from-absolute (+ abs-p
7))
453 "Passover (eighth day)")
454 (list (calendar-gregorian-from-absolute
455 (if (zerop (%
(+ abs-p
12) 7))
459 (list (calendar-gregorian-from-absolute
460 (if (zerop (% abs-p
7))
462 (if (= (% abs-p
7) 6)
466 (list (calendar-gregorian-from-absolute (+ abs-p
33))
468 (list (calendar-gregorian-from-absolute (+ abs-p
43))
470 (list (calendar-gregorian-from-absolute (+ abs-p
49))
472 (list (calendar-gregorian-from-absolute (+ abs-p
51))
473 "Shavuot (second day)")))
475 (holiday-filter-visible-calendar mandatory
)))
476 (if all-hebrew-calendar-holidays
479 (holiday-filter-visible-calendar optional
)
483 (defun holiday-tisha-b-av-etc ()
484 "List of dates around Tisha B'Av, as visible in calendar window."
485 (if (or (< displayed-month
5)
486 (> displayed-month
9))
487 nil
;; None of the dates is visible
488 (let* ((abs-t-a (calendar-absolute-from-hebrew
489 (list 5 9 (+ displayed-year
3760)))))
491 (holiday-filter-visible-calendar
493 (list (calendar-gregorian-from-absolute
494 (if (= (% abs-t-a
7) 6) (- abs-t-a
20) (- abs-t-a
21)))
496 (list (calendar-gregorian-from-absolute
497 (calendar-dayname-on-or-before 6 abs-t-a
))
499 (list (calendar-gregorian-from-absolute
500 (if (= (% abs-t-a
7) 6) (1+ abs-t-a
) abs-t-a
))
502 (list (calendar-gregorian-from-absolute
503 (calendar-dayname-on-or-before 6 (+ abs-t-a
7)))
504 "Shabbat Nahamu"))))))
506 ;; l-h-d-e should be called from diary code.
507 (declare-function add-to-diary-list
"diary-lib"
508 (date string specifier
&optional marker globcolor literal
))
510 (defun list-hebrew-diary-entries ()
511 "Add any Hebrew date entries from the diary file to `diary-entries-list'.
512 Hebrew date diary entries must be prefaced by `hebrew-diary-entry-symbol'
513 \(normally an `H'). The same diary date forms govern the style of the Hebrew
514 calendar entries, except that the Hebrew month names must be spelled in full.
515 The Hebrew months are numbered from 1 to 13 with Nisan being 1, 12 being
516 Adar I and 13 being Adar II; you must use `Adar I' if you want Adar of a
517 common Hebrew year. If a Hebrew date diary entry begins with a
518 `diary-nonmarking-symbol', the entry will appear in the diary listing, but will
519 not be marked in the calendar. This function is provided for use with the
520 `nongregorian-diary-listing-hook'."
522 (let ((buffer-read-only nil
)
523 (diary-modified (buffer-modified-p))
524 (gdate original-date
)
525 (mark (regexp-quote diary-nonmarking-symbol
)))
526 (dotimes (idummy number
)
527 (let* ((d diary-date-forms
)
528 (hdate (calendar-hebrew-from-absolute
529 (calendar-absolute-from-gregorian gdate
)))
530 (month (extract-calendar-month hdate
))
531 (day (extract-calendar-day hdate
))
532 (year (extract-calendar-year hdate
)))
535 ((date-form (if (equal (car (car d
)) 'backup
)
538 (backup (equal (car (car d
)) 'backup
))
540 (format "%s\\|%s\\.?"
541 (calendar-day-name gdate
)
542 (calendar-day-name gdate
'abbrev
)))
543 (calendar-month-name-array
544 calendar-hebrew-month-name-array-leap-year
)
548 (calendar-month-name month
)))
549 (month (concat "\\*\\|0*" (int-to-string month
)))
550 (day (concat "\\*\\|0*" (int-to-string day
)))
553 "\\*\\|0*" (int-to-string year
)
554 (if abbreviated-calendar-year
555 (concat "\\|" (int-to-string (% year
100)))
559 "\\(\\`\\|\^M\\|\n\\)" mark
"?"
560 (regexp-quote hebrew-diary-entry-symbol
)
562 (mapconcat 'eval date-form
"\\)\\(")
564 (case-fold-search t
))
565 (goto-char (point-min))
566 (while (re-search-forward regexp nil t
)
567 (if backup
(re-search-backward "\\<" nil t
))
568 (if (and (or (char-equal (preceding-char) ?\^M
)
569 (char-equal (preceding-char) ?
\n))
570 (not (looking-at " \\|\^I")))
571 ;; Diary entry that consists only of date.
573 ;; Found a nonempty diary entry--make it visible and
574 ;; add it to the list.
575 (let ((entry-start (point))
577 (re-search-backward "\^M\\|\n\\|\\`")
578 (setq date-start
(point))
579 (re-search-forward "\^M\\|\n" nil t
2)
580 (while (looking-at " \\|\^I")
581 (re-search-forward "\^M\\|\n" nil t
))
583 (subst-char-in-region date-start
(point) ?\^M ?
\n t
)
586 (buffer-substring-no-properties entry-start
(point))
587 (buffer-substring-no-properties
588 (1+ date-start
) (1- entry-start
))
589 (copy-marker entry-start
))))))
592 (calendar-gregorian-from-absolute
593 (1+ (calendar-absolute-from-gregorian gdate
)))))
594 (set-buffer-modified-p diary-modified
))
595 (goto-char (point-min))))
597 (defun mark-hebrew-calendar-date-pattern (month day year
)
598 "Mark dates in calendar window that conform to Hebrew date MONTH/DAY/YEAR.
599 A value of 0 in any position is a wildcard."
601 (set-buffer calendar-buffer
)
602 (if (and (not (zerop month
)) (not (zerop day
)))
603 (if (not (zerop year
))
604 ;; Fully specified Hebrew date.
605 (let ((date (calendar-gregorian-from-absolute
606 (calendar-absolute-from-hebrew
607 (list month day year
)))))
608 (if (calendar-date-is-visible-p date
)
609 (mark-visible-calendar-date date
)))
610 ;; Month and day in any year--this taken from the holiday stuff.
611 (if (memq displayed-month
;; This test is only to speed things up a
612 (list ;; bit; it works fine without the test too.
613 (if (< 11 month
) (- month
11) (+ month
1))
614 (if (< 10 month
) (- month
10) (+ month
2))
615 (if (< 9 month
) (- month
9) (+ month
3))
616 (if (< 8 month
) (- month
8) (+ month
4))
617 (if (< 7 month
) (- month
7) (+ month
5))))
618 (let ((m1 displayed-month
)
623 (increment-calendar-month m1 y1 -
1)
624 (increment-calendar-month m2 y2
1)
625 (let* ((start-date (calendar-absolute-from-gregorian
627 (end-date (calendar-absolute-from-gregorian
629 (calendar-last-day-of-month m2 y2
)
632 (calendar-hebrew-from-absolute start-date
))
633 (hebrew-end (calendar-hebrew-from-absolute end-date
))
634 (hebrew-y1 (extract-calendar-year hebrew-start
))
635 (hebrew-y2 (extract-calendar-year hebrew-end
)))
636 (setq year
(if (< 6 month
) hebrew-y2 hebrew-y1
))
637 (let ((date (calendar-gregorian-from-absolute
638 (calendar-absolute-from-hebrew
639 (list month day year
)))))
640 (if (calendar-date-is-visible-p date
)
641 (mark-visible-calendar-date date
)))))))
642 ;; Not one of the simple cases--check all visible dates for match.
643 ;; Actually, the following code takes care of ALL of the cases, but
644 ;; it's much too slow to be used for the simple (common) cases.
645 (let ((m displayed-month
)
649 (increment-calendar-month m y -
1)
651 (calendar-absolute-from-gregorian
653 (increment-calendar-month m y
2)
655 (calendar-absolute-from-gregorian
656 (list m
(calendar-last-day-of-month m y
) y
)))
657 (calendar-for-loop date from first-date to last-date do
658 (let* ((h-date (calendar-hebrew-from-absolute date
))
659 (h-month (extract-calendar-month h-date
))
660 (h-day (extract-calendar-day h-date
))
661 (h-year (extract-calendar-year h-date
)))
662 (and (or (zerop month
)
668 (mark-visible-calendar-date
669 (calendar-gregorian-from-absolute date
)))))))))
671 (declare-function diary-name-pattern
"diary-lib"
672 (string-array &optional abbrev-array paren
))
674 (declare-function mark-calendar-days-named
"diary-lib"
675 (dayname &optional color
))
677 (defun mark-hebrew-diary-entries ()
678 "Mark days in the calendar window that have Hebrew date diary entries.
679 Each entry in diary-file (or included files) visible in the calendar window
680 is marked. Hebrew date entries are prefaced by a hebrew-diary-entry-symbol
681 \(normally an `H'). The same diary-date-forms govern the style of the Hebrew
682 calendar entries, except that the Hebrew month names must be spelled in full.
683 The Hebrew months are numbered from 1 to 13 with Nisan being 1, 12 being
684 Adar I and 13 being Adar II; you must use `Adar I' if you want Adar of a
685 common Hebrew year. Hebrew date diary entries that begin with a
686 diary-nonmarking symbol will not be marked in the calendar. This function
687 is provided for use as part of the nongregorian-diary-marking-hook."
688 (let ((d diary-date-forms
))
691 ((date-form (if (equal (car (car d
)) 'backup
)
693 (car d
)));; ignore 'backup directive
694 (dayname (diary-name-pattern calendar-day-name-array
695 calendar-day-abbrev-array
))
699 calendar-hebrew-month-name-array-leap-year
)))
700 (month "[0-9]+\\|\\*")
702 (year "[0-9]+\\|\\*")
703 (l (length date-form
))
704 (d-name-pos (- l
(length (memq 'dayname date-form
))))
705 (d-name-pos (if (/= l d-name-pos
) (+ 2 d-name-pos
)))
706 (m-name-pos (- l
(length (memq 'monthname date-form
))))
707 (m-name-pos (if (/= l m-name-pos
) (+ 2 m-name-pos
)))
708 (d-pos (- l
(length (memq 'day date-form
))))
709 (d-pos (if (/= l d-pos
) (+ 2 d-pos
)))
710 (m-pos (- l
(length (memq 'month date-form
))))
711 (m-pos (if (/= l m-pos
) (+ 2 m-pos
)))
712 (y-pos (- l
(length (memq 'year date-form
))))
713 (y-pos (if (/= l y-pos
) (+ 2 y-pos
)))
716 "\\(\\`\\|\^M\\|\n\\)"
717 (regexp-quote hebrew-diary-entry-symbol
)
719 (mapconcat 'eval date-form
"\\)\\(")
721 (case-fold-search t
))
722 (goto-char (point-min))
723 (while (re-search-forward regexp nil t
)
727 (match-beginning d-name-pos
)
728 (match-end d-name-pos
))))
732 (match-beginning m-name-pos
)
733 (match-end m-name-pos
))))
734 (mm (string-to-number
737 (match-beginning m-pos
)
740 (dd (string-to-number
743 (match-beginning d-pos
)
748 (match-beginning y-pos
)
752 (if (and (= (length y-str
) 2)
753 abbreviated-calendar-year
)
755 (extract-calendar-year
756 (calendar-hebrew-from-absolute
757 (calendar-absolute-from-gregorian
758 (calendar-current-date)))))
759 (y (+ (string-to-number y-str
)
760 (* 100 (/ current-y
100)))))
761 (if (> (- y current-y
) 50)
763 (if (> (- current-y y
) 50)
766 (string-to-number y-str
)))))
768 (mark-calendar-days-named
769 (cdr (assoc-string dd-name
771 calendar-day-name-array
772 0 nil calendar-day-abbrev-array
) t
)))
775 (if (string-equal mm-name
"*") 0
780 calendar-hebrew-month-name-array-leap-year
) t
)))))
781 (mark-hebrew-calendar-date-pattern mm dd yy
)))))
784 (defun insert-hebrew-diary-entry (arg)
785 "Insert a diary entry.
786 For the Hebrew date corresponding to the date indicated by point.
787 Prefix arg will make the entry nonmarking."
789 (let* ((calendar-month-name-array
790 calendar-hebrew-month-name-array-leap-year
))
793 hebrew-diary-entry-symbol
794 (calendar-date-string
795 (calendar-hebrew-from-absolute
796 (calendar-absolute-from-gregorian
797 (calendar-cursor-to-date t
)))
801 (defun insert-monthly-hebrew-diary-entry (arg)
802 "Insert a monthly diary entry.
803 For the day of the Hebrew month corresponding to the date indicated by point.
804 Prefix arg will make the entry nonmarking."
806 (let* ((calendar-date-display-form
807 (if european-calendar-style
'(day " * ") '("* " day
)))
808 (calendar-month-name-array
809 calendar-hebrew-month-name-array-leap-year
))
812 hebrew-diary-entry-symbol
813 (calendar-date-string
814 (calendar-hebrew-from-absolute
815 (calendar-absolute-from-gregorian
816 (calendar-cursor-to-date t
)))))
819 (defun insert-yearly-hebrew-diary-entry (arg)
820 "Insert an annual diary entry.
821 For the day of the Hebrew year corresponding to the date indicated by point.
822 Prefix arg will make the entry nonmarking."
824 (let* ((calendar-date-display-form
825 (if european-calendar-style
827 '(monthname " " day
)))
828 (calendar-month-name-array
829 calendar-hebrew-month-name-array-leap-year
))
832 hebrew-diary-entry-symbol
833 (calendar-date-string
834 (calendar-hebrew-from-absolute
835 (calendar-absolute-from-gregorian
836 (calendar-cursor-to-date t
)))))
840 (defun list-yahrzeit-dates (death-date start-year end-year
)
841 "List Yahrzeit dates for *Gregorian* DEATH-DATE from START-YEAR to END-YEAR.
842 When called interactively from the calendar window, the date of death is taken
843 from the cursor position."
846 (if (equal (current-buffer) (get-buffer calendar-buffer
))
847 (calendar-cursor-to-date)
848 (let* ((today (calendar-current-date))
850 "Year of death (>0): "
852 (int-to-string (extract-calendar-year today
))))
853 (month-array calendar-month-name-array
)
854 (completion-ignore-case t
)
855 (month (cdr (assoc-string
857 "Month of death (name): "
858 (mapcar 'list
(append month-array nil
))
860 (calendar-make-alist month-array
1) t
)))
861 (last (calendar-last-day-of-month month year
))
863 (format "Day of death (1-%d): " last
)
864 (lambda (x) (and (< 0 x
) (<= x last
))))))
865 (list month day year
))))
866 (death-year (extract-calendar-year death-date
))
867 (start-year (calendar-read
868 (format "Starting year of Yahrzeit table (>%d): "
870 (lambda (x) (> x death-year
))
871 (int-to-string (1+ death-year
))))
872 (end-year (calendar-read
873 (format "Ending year of Yahrzeit table (>=%d): "
875 (lambda (x) (>= x start-year
)))))
876 (list death-date start-year end-year
)))
877 (message "Computing yahrzeits...")
878 (let* ((yahrzeit-buffer "*Yahrzeits*")
879 (h-date (calendar-hebrew-from-absolute
880 (calendar-absolute-from-gregorian death-date
)))
881 (h-month (extract-calendar-month h-date
))
882 (h-day (extract-calendar-day h-date
))
883 (h-year (extract-calendar-year h-date
)))
884 (set-buffer (get-buffer-create yahrzeit-buffer
))
885 (setq buffer-read-only nil
)
886 (calendar-set-mode-line
887 (format "Yahrzeit dates for %s = %s"
888 (calendar-date-string death-date
)
889 (let ((calendar-month-name-array
890 (if (hebrew-calendar-leap-year-p h-year
)
891 calendar-hebrew-month-name-array-leap-year
892 calendar-hebrew-month-name-array-common-year
)))
893 (calendar-date-string h-date nil t
))))
895 (goto-char (point-min))
896 (calendar-for-loop i from start-year to end-year do
898 (calendar-date-string
899 (calendar-gregorian-from-absolute
900 (hebrew-calendar-yahrzeit
902 (extract-calendar-year
903 (calendar-hebrew-from-absolute
904 (calendar-absolute-from-gregorian (list 1 1 i
))))))) "\n"))
905 (goto-char (point-min))
906 (set-buffer-modified-p nil
)
907 (setq buffer-read-only t
)
908 (display-buffer yahrzeit-buffer
)
909 (message "Computing yahrzeits...done")))
911 (defun diary-hebrew-date ()
912 "Hebrew calendar equivalent of date diary entry."
913 (format "Hebrew date (until sunset): %s" (calendar-hebrew-date-string date
)))
915 (defun diary-omer (&optional mark
)
916 "Omer count diary entry.
917 Entry applies if date is within 50 days after Passover.
919 An optional parameter MARK specifies a face or single-character string to
920 use when highlighting the day in the calendar."
922 (calendar-absolute-from-hebrew
923 (list 1 15 (+ (extract-calendar-year date
) 3760))))
924 (omer (- (calendar-absolute-from-gregorian date
) passover
))
927 (if (and (> omer
0) (< omer
50))
929 (format "Day %d%s of the omer (until sunset)"
933 (format ", that is, %d week%s%s"
935 (if (= week
1) "" "s")
938 (format " and %d day%s"
939 day
(if (= day
1) "" "s"))))))))))
941 (defun diary-yahrzeit (death-month death-day death-year
&optional mark
)
942 "Yahrzeit diary entry--entry applies if date is yahrzeit or the day before.
943 Parameters are DEATH-MONTH, DEATH-DAY, DEATH-YEAR; the diary entry is assumed
944 to be the name of the person. Date of death is on the *civil* calendar;
945 although the date of death is specified by the civil calendar, the proper
946 Hebrew calendar yahrzeit is determined. If `european-calendar-style' is t, the
947 order of the parameters is changed to DEATH-DAY, DEATH-MONTH, DEATH-YEAR.
949 An optional parameter MARK specifies a face or single-character string to
950 use when highlighting the day in the calendar."
951 (let* ((h-date (calendar-hebrew-from-absolute
952 (calendar-absolute-from-gregorian
953 (if european-calendar-style
954 (list death-day death-month death-year
)
955 (list death-month death-day death-year
)))))
956 (h-month (extract-calendar-month h-date
))
957 (h-day (extract-calendar-day h-date
))
958 (h-year (extract-calendar-year h-date
))
959 (d (calendar-absolute-from-gregorian date
))
960 (yr (extract-calendar-year (calendar-hebrew-from-absolute d
)))
962 (y (hebrew-calendar-yahrzeit h-date yr
)))
963 (if (and (> diff
0) (or (= y d
) (= y
(1+ d
))))
965 (format "Yahrzeit of %s%s: %d%s anniversary"
967 (if (= y d
) "" " (evening)")
969 (cond ((= (% diff
10) 1) "st")
970 ((= (% diff
10) 2) "nd")
971 ((= (% diff
10) 3) "rd")
974 (defun diary-rosh-hodesh (&optional mark
)
975 "Rosh Hodesh diary entry.
976 Entry applies if date is Rosh Hodesh, the day before, or the Saturday before.
978 An optional parameter MARK specifies a face or single-character string to
979 use when highlighting the day in the calendar."
980 (let* ((d (calendar-absolute-from-gregorian date
))
981 (h-date (calendar-hebrew-from-absolute d
))
982 (h-month (extract-calendar-month h-date
))
983 (h-day (extract-calendar-day h-date
))
984 (h-year (extract-calendar-year h-date
))
985 (leap-year (hebrew-calendar-leap-year-p h-year
))
986 (last-day (hebrew-calendar-last-day-of-month h-month h-year
))
989 calendar-hebrew-month-name-array-leap-year
990 calendar-hebrew-month-name-array-common-year
))
991 (this-month (aref h-month-names
(1- h-month
)))
992 (h-yesterday (extract-calendar-day
993 (calendar-hebrew-from-absolute (1- d
)))))
994 (if (or (= h-day
30) (and (= h-day
1) (/= h-month
7)))
1001 ;; next month must be in the same year since this
1002 ;; month can't be the last month of the year since
1004 (aref h-month-names h-month
))
1005 (if (= h-yesterday
30)
1006 (format "%s (second day)" this-month
)
1008 (if (= (% d
7) 6) ;; Saturday--check for Shabbat Mevarchim
1010 (cond ((and (> h-day
22) (/= h-month
6) (= 29 last-day
))
1011 (format "Mevarchim Rosh Hodesh %s (%s)"
1014 (hebrew-calendar-last-month-of-year
1017 (aref calendar-day-name-array
(- 29 h-day
))))
1018 ((and (< h-day
30) (> h-day
22) (= 30 last-day
))
1019 (format "Mevarchim Rosh Hodesh %s (%s-%s)"
1020 (aref h-month-names h-month
)
1023 (aref calendar-day-name-array
(- 29 h-day
)))
1024 (aref calendar-day-name-array
1025 (%
(- 30 h-day
) 7))))))
1026 (if (and (= h-day
29) (/= h-month
6))
1028 (format "Erev Rosh Hodesh %s"
1031 (hebrew-calendar-last-month-of-year
1035 (defvar hebrew-calendar-parashiot-names
1036 ["Bereshith" "Noah" "Lech L'cha" "Vayera" "Hayei Sarah" "Toledoth"
1037 "Vayetze" "Vayishlah" "Vayeshev" "Mikketz" "Vayiggash" "Vayhi"
1038 "Shemoth" "Vaera" "Bo" "Beshallah" "Yithro" "Mishpatim"
1039 "Terumah" "Tetzavveh" "Ki Tissa" "Vayakhel" "Pekudei" "Vayikra"
1040 "Tzav" "Shemini" "Tazria" "Metzora" "Aharei Moth" "Kedoshim"
1041 "Emor" "Behar" "Behukkotai" "Bemidbar" "Naso" "Behaalot'cha"
1042 "Shelah L'cha" "Korah" "Hukkath" "Balak" "Pinhas" "Mattoth"
1043 "Masei" "Devarim" "Vaethanan" "Ekev" "Reeh" "Shofetim"
1044 "Ki Tetze" "Ki Tavo" "Nitzavim" "Vayelech" "Haazinu"]
1045 "The names of the parashiot in the Torah.")
1047 (defun hebrew-calendar-parasha-name (p)
1048 "Name(s) corresponding to parasha P."
1049 (if (arrayp p
);; combined parasha
1051 (aref hebrew-calendar-parashiot-names
(aref p
0))
1052 (aref hebrew-calendar-parashiot-names
(aref p
1)))
1053 (aref hebrew-calendar-parashiot-names p
)))
1055 (defun diary-parasha (&optional mark
)
1056 "Parasha diary entry--entry applies if date is a Saturday.
1058 An optional parameter MARK specifies a face or single-character string to
1059 use when highlighting the day in the calendar."
1060 (let ((d (calendar-absolute-from-gregorian date
)))
1061 (if (= (% d
7) 6) ;; Saturday
1063 ((h-year (extract-calendar-year
1064 (calendar-hebrew-from-absolute d
)))
1066 (calendar-absolute-from-hebrew (list 7 1 h-year
)))
1068 (calendar-absolute-from-hebrew (list 1 15 h-year
)))
1070 (aref calendar-day-name-array
(% rosh-hashanah
7)))
1072 (aref calendar-day-name-array
(% passover
7)))
1073 (long-h (hebrew-calendar-long-heshvan-p h-year
))
1074 (short-k (hebrew-calendar-short-kislev-p h-year
))
1075 (type (cond ((and long-h
(not short-k
)) "complete")
1076 ((and (not long-h
) short-k
) "incomplete")
1080 (intern (format "hebrew-calendar-year-%s-%s-%s" ;; keviah
1081 rosh-hashanah-day type passover-day
))))
1082 (first-saturday ;; of Hebrew year
1083 (calendar-dayname-on-or-before 6 (+ 6 rosh-hashanah
)))
1084 (saturday ;; which Saturday of the Hebrew year
1085 (/ (- d first-saturday
) 7))
1086 (parasha (aref year-format saturday
)))
1091 (if (listp parasha
) ;; Israel differs from diaspora
1093 (format "%s (diaspora), %s (Israel)"
1094 (hebrew-calendar-parasha-name (car parasha
))
1095 (hebrew-calendar-parasha-name (cdr parasha
)))
1096 (format "%s (Israel)"
1097 (hebrew-calendar-parasha-name (cdr parasha
))))
1098 (hebrew-calendar-parasha-name parasha
)))))))))
1100 ;; The seven ordinary year types (keviot)
1102 (defconst hebrew-calendar-year-Saturday-incomplete-Sunday
1103 [nil
52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
1104 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
1105 43 44 45 46 47 48 49 50]
1106 "The structure of the parashiot.
1107 Hebrew year starts on Saturday, is `incomplete' (Heshvan and Kislev each have
1108 29 days), and has Passover start on Sunday.")
1110 (defconst hebrew-calendar-year-Saturday-complete-Tuesday
1111 [nil
52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
1112 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
1113 43 44 45 46 47 48 49 [50 51]]
1114 "The structure of the parashiot.
1115 Hebrew year that starts on Saturday, is `complete' (Heshvan and Kislev each
1116 have 30 days), and has Passover start on Tuesday.")
1118 (defconst hebrew-calendar-year-Monday-incomplete-Tuesday
1119 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
1120 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
1121 43 44 45 46 47 48 49 [50 51]]
1122 "The structure of the parashiot.
1123 Hebrew year that starts on Monday, is `incomplete' (Heshvan and Kislev each
1124 have 29 days), and has Passover start on Tuesday.")
1126 (defconst hebrew-calendar-year-Monday-complete-Thursday
1127 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
1128 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 (nil .
34) (34 .
35) (35 .
36)
1129 (36 .
37) (37 .
38) ([38 39] .
39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
1130 "The structure of the parashiot.
1131 Hebrew year that starts on Monday, is `complete' (Heshvan and Kislev each have
1132 30 days), and has Passover start on Thursday.")
1134 (defconst hebrew-calendar-year-Tuesday-regular-Thursday
1135 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22]
1136 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 (nil .
34) (34 .
35) (35 .
36)
1137 (36 .
37) (37 .
38) ([38 39] .
39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
1138 "The structure of the parashiot.
1139 Hebrew year that starts on Tuesday, is `regular' (Heshvan has 29 days and
1140 Kislev has 30 days), and has Passover start on Thursday.")
1142 (defconst hebrew-calendar-year-Thursday-regular-Saturday
1143 [52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22] 23
1144 24 nil
(nil .
25) (25 .
[26 27]) ([26 27] .
[28 29]) ([28 29] .
30)
1145 (30 .
31) ([31 32] .
32) 33 34 35 36 37 38 39 40 [41 42] 43 44 45 46 47 48
1147 "The structure of the parashiot.
1148 Hebrew year that starts on Thursday, is `regular' (Heshvan has 29 days and
1149 Kislev has 30 days), and has Passover start on Saturday.")
1151 (defconst hebrew-calendar-year-Thursday-complete-Sunday
1152 [52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1153 23 24 nil
25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42]
1154 43 44 45 46 47 48 49 50]
1155 "The structure of the parashiot.
1156 Hebrew year that starts on Thursday, is `complete' (Heshvan and Kislev each
1157 have 30 days), and has Passover start on Sunday.")
1159 ;; The seven leap year types (keviot)
1161 (defconst hebrew-calendar-year-Saturday-incomplete-Tuesday
1162 [nil
52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1163 23 24 25 26 27 nil
28 29 30 31 32 33 34 35 36 37 38 39 40 [41 42]
1164 43 44 45 46 47 48 49 [50 51]]
1165 "The structure of the parashiot.
1166 Hebrew year that starts on Saturday, is `incomplete' (Heshvan and Kislev each
1167 have 29 days), and has Passover start on Tuesday.")
1169 (defconst hebrew-calendar-year-Saturday-complete-Thursday
1170 [nil
52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1171 23 24 25 26 27 nil
28 29 30 31 32 33 (nil .
34) (34 .
35) (35 .
36)
1172 (36 .
37) (37 .
38) ([38 39] .
39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
1173 "The structure of the parashiot.
1174 Hebrew year that starts on Saturday, is `complete' (Heshvan and Kislev each
1175 have 30 days), and has Passover start on Thursday.")
1177 (defconst hebrew-calendar-year-Monday-incomplete-Thursday
1178 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1179 23 24 25 26 27 nil
28 29 30 31 32 33 (nil .
34) (34 .
35) (35 .
36)
1180 (36 .
37) (37 .
38) ([38 39] .
39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]]
1181 "The structure of the parashiot.
1182 Hebrew year that starts on Monday, is `incomplete' (Heshvan and Kislev each
1183 have 29 days), and has Passover start on Thursday.")
1185 (defconst hebrew-calendar-year-Monday-complete-Saturday
1186 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1187 23 24 25 26 27 nil
(nil .
28) (28 .
29) (29 .
30) (30 .
31) (31 .
32)
1188 (32 .
33) (33 .
34) (34 .
35) (35 .
36) (36 .
37) (37 .
38) (38 .
39)
1189 (39 .
40) (40 .
41) ([41 42] .
42) 43 44 45 46 47 48 49 50]
1190 "The structure of the parashiot.
1191 Hebrew year that starts on Monday, is `complete' (Heshvan and Kislev each have
1192 30 days), and has Passover start on Saturday.")
1194 (defconst hebrew-calendar-year-Tuesday-regular-Saturday
1195 [51 52 nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1196 23 24 25 26 27 nil
(nil .
28) (28 .
29) (29 .
30) (30 .
31) (31 .
32)
1197 (32 .
33) (33 .
34) (34 .
35) (35 .
36) (36 .
37) (37 .
38) (38 .
39)
1198 (39 .
40) (40 .
41) ([41 42] .
42) 43 44 45 46 47 48 49 50]
1199 "The structure of the parashiot.
1200 Hebrew year that starts on Tuesday, is `regular' (Heshvan has 29 days and
1201 Kislev has 30 days), and has Passover start on Saturday.")
1203 (defconst hebrew-calendar-year-Thursday-incomplete-Sunday
1204 [52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1205 23 24 25 26 27 28 nil
29 30 31 32 33 34 35 36 37 38 39 40 41 42
1206 43 44 45 46 47 48 49 50]
1207 "The structure of the parashiot.
1208 Hebrew year that starts on Thursday, is `incomplete' (Heshvan and Kislev both
1209 have 29 days), and has Passover start on Sunday.")
1211 (defconst hebrew-calendar-year-Thursday-complete-Tuesday
1212 [52 nil nil
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1213 23 24 25 26 27 28 nil
29 30 31 32 33 34 35 36 37 38 39 40 41 42
1214 43 44 45 46 47 48 49 [50 51]]
1215 "The structure of the parashiot.
1216 Hebrew year that starts on Thursday, is `complete' (Heshvan and Kislev both
1217 have 30 days), and has Passover start on Tuesday.")
1219 (provide 'cal-hebrew
)
1221 ;; arch-tag: aaab6718-7712-42ac-a32d-28fe1f944f3c
1222 ;;; cal-hebrew.el ends here