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.
Dr.
Sarit Kattan Gribetz
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Early biblical laws demand a cessation of labor every seven days, but that was unconnected to Shabbat, which was originally a full moon celebration.
Prof.
Jacob L. Wright
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