Rosh Hashanah 2025 Calendar. Rosh hashanah, first of the high holidays, is the jewish new year. It originates on the first day of tishrei, which is the.

It is the first of the high holidays or yamim noraim (“days of awe”), celebrated ten days before yom kippur. 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.