Is September The First Month Of The Jewish Calendar. Nisan is the first month on the jewish calendar. This was the new year for animal tithes and takes place in the sixth month of the calendar, around august.
Rosh hashanah 2023 begins on friday, september 15, 2023, and ends on the evening of sunday, september 17, 2023. Although the jewish new year (rosh hashanah) is celebrated at the beginning of tishrei, this month is actually the seventh month according to ancient reckoning.