Make Your Own Mental Health Lulav and Esrog! Sukkot, the Jewish harvest holiday of the “huts,” is a week of celebration that starts five days after Yom Kippur. Rabbinic tradition tells us a Sukkah, or temporary structure with at least three sides and a roof of thatch or branches, represents the dwellings the Israelites built and lived in during their 40 years of wandering in the desert.