is the name for the first day of every month in the Hebrew calendar, marked by the appearance of the New Moon. It is considered a minor holiday, akin to the intermediate days of Passover and Sukkot.

Lit. evening. The evening part of a day, which precedes the morning part of the same day because a "day" on the Jewish calendar starts at sunset. In this case the Erev Rosh Hashanah.

Rosh Hashanah occurs on the first and second days of Tishri. In Hebrew, Rosh Hashanah means, literally, "head of the year" or "first of the year." Rosh Hashanah is commonly known as the Jewish New Year.