Rosh Hashanah 2025 Calendar Date 2025. Rosh hashanah 2025, which ushers in the jewish year 5785, starts just before sundown on wednesday, oct. Rosh hashanah for the year 2025 starts on the evening of monday, september 22nd ending the 2 day celebration at sundown on wednesday, september.
The event lasts for 2 jewish. Rosh hashanah 2025 begins at sundown on october 2nd and ends at sundown on october 4th.