2025 Rosh Hashanah Date. Rosh hashanah (the jewish new year) is packed with mitzvahs, special foods and traditions, and it’s one of the most important holidays in the jewish 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.

Rosh hashanah covers two days (first day is called tishrei) which is part of the 10 high holy days which concludes with yom kippur. 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.