When Is Rosh Hashanah This Year. Rosh hashana for hebrew year 5783 begins at sundown on sunday, 25 september 2022 and ends at nightfall on tuesday, 27 september 2022. For the jewish calendar night begins before day, thus the holiday or festival begins on the sunset of the previous day.

What is the jewish new year? Rosh hashanah celebrates the jewish new year for jewish americans. Rosh hashanah, literally translating to ‘head of the year’, is the jewish new year, starting on the first day of tishrei — the jewish calendar’s first month.