Tashlich 2024au. Rosh hashanah, also known as the jewish new year, is a celebration that begins after sunset on the eve of tishrei 1 (tishrei is the seventh month in the hebrew calendar. On the first day of rosh hashanah, jews traditionally proceed to a body of running water, preferably one containing fish, and symbolically cast off their sins.
Tashlich means “you will cast” and is a ceremony which takes place on rosh hashana and the days following. Tashlich, in which we stand near a body of water and ask g‑d to cast our sins away, is done in the late afternoon on the first day of rosh hashanah (thursday, oct.