Rosh Hashana for the year 2025 starts on Tuesday, September 23rd ending the 2 day celebration at sundown on Wednesday, September 24. Because the Jewish calendar is a lunar calendar, the holiday begins on the sunset of the previous day on the evening of Monday, September 22nd.
Rosh Hashana celebrates the Jewish New Year for Jewish Americans. Rosh Hashana begins on the first day of the seventh month in the Jewish calendar. The Day of Remembrance or the Day of Blowing the Shofar are other names for this holiday. Yom Kippur and Rosh Hashana are the two most important days of atonement that most practicing Jews will observe in the calendar year.
Days to the start of Rosh Hashana 2025
Tuesday, September 23rd is day number 266 of the 2025 calendar year with 5 years, 10 months, 4 days until the start of the 2 day celebration/ observance of Rosh Hashana 2025.
Rosh Hashana, Jewish New Year, Day of Remembrance, Day of Blowing the Shofar