1
vote
1answer
45 views

Why can the 1st day of Pesach never occur on Sunday in 2 consecutive years?

I am doing a lecture on the math of the Jewish calendar. I understand the concepts of the 3 types of year lengths - maleh, chaser and kesidrah - "full", "regular" and "deficient" years. I also ...
0
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1answer
41 views

The Book of Numbers and Passover

Why is LORD'S passover (Numbers 28:16) on the fourteenth day of the first month?
7
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1answer
143 views

Why celebrate Lag Ba'Omer on the 33rd according to the MaHaRIL?

There are several different opinions about when the students of Rabbi Akiva died, and which days we mourn for them. Sefer HaToda'ah quotes the Maharil, who says that the students of Rabbi Akiva died ...
4
votes
2answers
102 views

Why do we do anything for Pesach Sheini?

According to my handy Luach, on Pesach Sheini, some people omit tachanun (I haven't looked into any source texts to see who does) and according to the Wikipedia page, some eat matzah but I'm wondering ...
1
vote
1answer
70 views

Last night *might* have been the first night of the omer. Right? [duplicate]

Possible Duplicate: Sefira Counting in Diaspora How do we count sefira with absolute certainty, as we do, and yet, in diaspora, we have a second seder and a second day of yom tov? Wouldn't ...