2025 Rosh Hashanah 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. Rosh hashanah, the jewish new year, falls on the hebrew calendar dates of 1 and 2 tishrei.
According to traditional jewish law, no work is permitted. 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.