The lunar calendar is shorter than the solar one, so an extra month is added to the Jewish calendar every two to three years to keep the holidays within certain agricultural seasons and times of year.

Hanukkah's start date on the Gregorian calendar varies year by year because the Jewish calendar is based on luni-solar calendar cycles. According to Chabad, months under the Hebrew calendar follow ...

It comes from reaching out." Why is Hanukkah so late this year? The simple answer is that the Jewish calendar is based on lunar cycles, and is not in sync with the Gregorian calendar which sets ...

Hanukkah's start date on the Gregorian calendar varies year by year because the Jewish calendar is based on luni-solar calendar cycles. According to Chabad, months under the Hebrew calendar follow ...