What Time Is Kol Nidre 2025. Yom kippur falls on the hebrew calendar date of 10 tishrei. Said at the start of the yom kippur fast day, kol nidre declares all future vows and promises invalid, by declaring that all vows are absolved, remitted, cancelled, declared.

Yom kippur (the day of atonement) begins at sunset on october 11, 2024 (the evening service begins with kol nidre) and ends at nightfall on october 12, 2024. 11 and ends at sundown on saturday, oct.