When Is Jewish New Year 2025. Rosh hashanah is observed on the first two. Rosh hashanah, the jewish new year, falls on the hebrew calendar dates of 1 and 2 tishrei.
The jewish calendar is both solar and lunar, consisting of 12 months of either 29 or 30 days. As the jewish community prepares to welcome the year 5785 on the hebrew calendar, rosh hashanah 2025 brings unique challenges and opportunities.