What: It is the birthday of the universe, the day G‑d created Adam and Eve, and it’s celebrated as the head of the Jewish year.

When: The first two days of the Jewish year, Tishrei 1 and 2, beginning at sundown on the eve of Tishrei 1 (check out this year’s date).

How: Candle lighting in the evenings, festive meals with sweet delicacies during the night and day, prayer services that include the sounding of the ram’s horn (shofar) on both mornings, and desisting from creative work.