Shemini Atzeret ( – "the Eighth [day] of Assembly") is a Jewish holiday of the (Northern Hemisphere) autumn. In Israel, the date of the holiday is 22 Tishrei on the Hebrew calendar. Outside of Israel, it is two days long, on 22-23 Tishrei. On the Gregorian calendar, Shemini Atzeret comes in late September or early or middle October.