Rosh Hashana for the year 2020 starts on Saturday, September 19th ending the 2 day celebration at sundown on Sunday, September 20. Because the Jewish calendar is a lunar calendar, the holiday begins on the sunset of the previous day on the evening of Friday, September 18th.
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 2020
Saturday, September 19th is day number 263 of the 2020 calendar year with 10 months, 29 days until the start of the 2 day celebration/ observance of Rosh Hashana 2020.