Rosh Hashanah is the autumnal festival celebrating the start of the Jewish New Year.. Rosh Hashanah occurs on the first and second days of Tishri.In Hebrew, the phrase Rosh Hashanah literally means “head of the year” and thus the holiday is commonly known as the Jewish New Year.
https://www.jewishvirtuallibrary.org/rosh-hashanah-history-and-overview
