When Are Rosh Hashanah And Yom Kippur 2025. Rosh hashanah is the jewish new year, a joyful, awesome day that celebrates the meaning of existence. Rosh hashanah 2025 begins before sundown on wednesday, oct.

11, 2025, and ends in the evening on saturday, oct. In 2025, the observance of yom kippur starts at sunset on october 11 and concludes on the evening of october 12.