Yom Kippur 2024 Observance. Yom kippur fast day is the holiest day of the year—when we are closest to g‑d and to the quintessence of our own souls. Yom kippur begins on friday, october 11, 2024, at sundown and ends on saturday, october 12, 2024, at nightfall.

The period between rosh hashanah and yom kippur is considered the holiest season in the jewish calendar, with the climax of the ’10 days of repentance’ occurring at yom. 1 and ends at sundown on thursday, oct.