Rosh Chodesh

Control the Calendar, Control Judaism

Control the Calendar, Control Judaism

Calendrical disputes, which recurred frequently in ancient and medieval Jewish communities, created alternative dates for festivals such as Yom Kippur and Passover. Here, we look at four disputes and the different ways that communities navigated them. 

What Is the Bible’s Calendar?

What Is the Bible’s Calendar?

The Torah prescribes the observance of festivals on very specific dates, but does not explain how the calendar must be reckoned: Is it lunar? Is it solar? Does it follow some other scheme? And why is the Torah silent on this?