Questions tagged [molad]

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4
votes
1answer
395 views

When was the last time the “Leap Year” postponement rule was used to delay the date of Rosh Hashannah?

This site explains that there are 4 rules that would cause Rosh Hashannah to be postponed 1 or 2 days after the date of Molad Tishrei. You can view all 4 rules on the web site, but rule 4 states: 4)...
8
votes
2answers
183 views

Are there any sages who have written about experiencing a total solar eclipse?

This year, on August 21, 2017, many Americans will have a chance to experience a total solar eclipse. Total solar eclipses were rarely documented before the 10th century of the Common Era. But, I ...
3
votes
2answers
399 views

I am looking for an algorithm to calculate Molad Tishrei for any given year

I am using MS Excel together with VBA (Visual Basic for applications) to write macros to calculate Molad Tishrei. I have located information in various web sites that explain how to calculate Molad ...