Rosh Hashanah 2025 Dates Calendar. Rosh hashanah 2025 starts on sundown of monday, september 22nd ending the 2 day celebration at sundown on wednesday, september 24, celebrating the jewish new year beginning on the first day of the seventh. It is the first of the high holidays or yamim noraim (“days of awe”), celebrated ten days before.
Rosh hashana for hebrew year 5786 begins at sundown on monday, 22 september 2025 and ends at nightfall on wednesday, 24 september 2025. Learn about the traditions and customs surrounding this important holiday.