The Feast of Tabernacles: Began Fifteenth of Seventh Month
Source: TTT
Leviticus 23:34, 39
“Speak to the Israelites and say, ‘On the fifteenth day of the seventh month the Feast of Tabernacles to the LORD begins, and it continues for seven days. / On the fifteenth day of the seventh month, after you have gathered the produce of the land, you are to celebrate a feast to the LORD for seven days. There shall be complete rest on the first day and also on the eighth day.