Question: When is Sukkot or the Feast of Tabernacles? YOU SHOULD CELEBRATE SUKKOT ON THE 15TH DAY OF THE 7TH MONTH UNTIL THE 22nd DAY OF THE 7th MONTH. Numbers 29:12 And on the fifteenth day of the seventh month you will have a sacred convocation (Sukkot); you will do no ordinary work and you will keep a feast to …