Rosh Hashanah 2025 Calendar Date. 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. Rosh hashanah, first of the high holidays, is the jewish new year.
Rosh hashanah, the jewish new year, marks the beginning of the jewish calendar year. Rosh hashana for hebrew year 5786 begins at sundown on monday, 22 september 2025 and ends at nightfall on wednesday, 24 september 2025.
