Yom Kippur, Judaism’s holiest day, begins at sundown Judaism's holiest day, Yom Kippur, begins at sundown on Oct. 1. Oct 1, 2025
What to know about Hanukkah and how it's celebrated around the world Hanukkah — also spelled Chanukah or other transliterations from Hebrew — is Judaism's "festival of lights.". Dec 7, 2023
