Sukkot
Begins at sundown on Friday, 02 October 2020 (15th of Tishrei, 5781)
Sukkot (Hebrew: סוכות or סֻכּוֹת, sukkōt, or sukkos, Feast of Booths, Feast of Tabernacles) is a Biblical holiday celebrated on the 15th day of the month of Tishrei (late September to late October). It is one of the three biblically mandated festivals Shalosh regalim on which Jews were commanded to make a pilgrimage to the Temple in Jerusalem.
Source hebcal