Astronomy and Halachic Times

When Was Our Calendar Eternally Fixed?

In our Sedra, Nisan – in deference to it being the month of our liberation from Egypt and our start as a nation - is declared by Hashem to be the first month in the Hebrew year.

Leap Year

Is It Time For Maariv?

When is the correct time to daven maariv? Why is there no repetition of shmoneh esrei for maariv? Must women daven maariv? The chiyuv to daven, Plag HaMincha, and the dispute regarding the correct time to daven maariv.

It’s About Time - Bein Hashemashos

About Bein Hashmashot, the impact on important mitzvot, how will it affect the time of the bris? Dovening Minha, Shabbat, Rosh Hashana, the Gra and Rabbeinu Tam.