Yom Kippur, the holiest day in the Jewish calendar, is a day of fasting, prayer and repentance. In 2025, Yom Kippur begins at sundown on Wednesday, Oct. 1, and ends at nightfall on Thursday, Oct. 2.
Yom Kippur, the Jewish Day of Atonement, is a solemn holiday for reflection, repentance, and fasting. It marks the end of the High Holy Days, which begin with Rosh Hashanah, the Jewish New Year.