Kol Nidre 2025 Date And Time. Let’s begin with the dates: Yom kippur, “the day of atonement,” is the day moses achieved complete forgiveness for the people of israel after the sin of the golden calf.
Yom kippur (the day of atonement) begins at sunset on october 11, 2025 (the evening service begins with kol nidre) and ends at nightfall on october 12, 2025. Kol nidre (“all vows ”) is an ancient formula, said on yom kippur eve, declaring all unintentional vows we may make over the (coming) year null and void.