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SAPIR 861 · CALENDAR DATA · 1800–2100

28 (כ״ח) Nisan: one Hebrew date across 301 years

EN RU עברית ES PT

A Hebrew date does not wander freely through the week. This page shows every time 28 (כ״ח) Nisan occurred between 1800 and 2100 — 301 times — and what the fixed calendar allows and forbids for it. Nothing here is a prediction; it is a count over the whole range.

Weekdays this date can fall on

Possiblen%
Monday9531.6%
Wednesday8728.9%
Friday8528.2%
Saturday3411.3%
Never — not once in 301 years: Sunday, Tuesday, Thursday

Measured across all 385 Hebrew dates and 301 years (109,938 observations): not a single Hebrew date can fall on all seven weekdays. 267 of 385 are limited to four. This follows from the rules of the fixed calendar, but we have not seen it published as a measurement.

The portion read that week

5 different portions across 301 years.

Portionn%
Tazria-Metzora תזריע־מצרע11337.5%
Shmini שמיני7725.6%
Kedoshim קדשים6220.6%
Achrei Mot אחרי מות3010%
Emor אמור196.3%

Year by year

Showing the most recent 40 of 301.

Hebrew yearGregorianWeekdayPortion
58602100-05-07FridayAchrei Mot
58592099-04-18SaturdayShmini
58582098-04-30WednesdayKedoshim
58572097-04-10WednesdayTazria-Metzora
58562096-04-20FridayShmini
58552095-05-02MondayKedoshim
58542094-04-14WednesdayTazria-Metzora
58532093-04-24FridayShmini
58522092-05-05MondayEmor
58512091-04-16MondayTazria-Metzora
58502090-04-28FridayAchrei Mot
58492089-04-08FridayShmini
58482088-04-19MondayTazria-Metzora
58472087-04-30WednesdayKedoshim
58462086-04-12FridayShmini
58452085-04-23MondayTazria-Metzora
58442084-05-03WednesdayKedoshim
58432083-04-16FridayShmini
58422082-04-27MondayTazria-Metzora
58412081-05-07WednesdayKedoshim
58402080-04-17WednesdayTazria-Metzora
58392079-04-29SaturdayKedoshim
58382078-04-11MondayTazria-Metzora
58372077-04-21WednesdayTazria-Metzora
58362076-05-01FridayAchrei Mot
58352075-04-13SaturdayShmini
58342074-04-25WednesdayTazria-Metzora
58332073-05-05FridayAchrei Mot
58322072-04-16SaturdayShmini
58312071-04-27MondayKedoshim
58302070-04-09WednesdayTazria-Metzora
58292069-04-19FridayShmini
58282068-04-30MondayKedoshim
58272067-04-13WednesdayTazria-Metzora
58262066-04-23FridayShmini
58252065-05-04MondayEmor
58242064-04-14MondayTazria-Metzora
58232063-04-27FridayShmini
58222062-05-08MondayEmor
58212061-04-18MondayTazria-Metzora

Sources and method

Calendar arithmetic: the fixed Hebrew calendar as implemented in hebcal. Portion boundaries: hebcal leyning, diaspora reading cycle, with festival readings taking precedence over the weekly portion. The week of a date is taken to end on the following Shabbat. Both sources are public; anyone can repeat the count and get the same numbers.

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