When Does Yom Kippur Start In 2025. יוֹם כִּפּוּר or יום הכיפורים ), also known as day of atonement, is the holiest day of the. Religious jewish date calendar for 2025.

Yom kippur is the holiest day in the jewish calendar. Yom kippur is the holiest day in the jewish calendar, which recognized as the day of atonement.