Rosh Hashanah in 2025 will begin at sundown on Monday, Sept. 22, and continue through nightfall on Wednesday, Sept. 24.

Living; Hanukkah date doesn't change as it begins at sundown on the 25th month of Kislev on the Hebrew calendar. Published: ; Dec. 20, 2011, 9:00 p.m.

Since a lunar month lasts about 29.53 days, each month on the Jewish calendar is either 29 or 30 days long. A regular year on the Jewish calendar, therefore, is about 11 days shorter than a full ...

In order to keep the Jewish year aligned with the seasons of the solar calendar, Jews periodically add leap years that include an extra month. This year is one of them. Whew.

Hanukkah, which is also called the Festival of Lights, starts on the 25th day of Kislev, which is the ninth month of the Jewish calendar. It lasts for eight days and eight nights.