“besides the Sabbaths of the LORD, besides your gifts, besides all your vows, and besides all your freewill offerings which you give to the LORD. Also on the fifteenth day of the seventh month, when you have gathered in the fruit of the land, you shall keep the feast of the LORD for seven days; on the first day there shall be a sabbath-rest, and on the eighth day a sabbath-rest.”
- Leviticus 23:38-39 (NKJV)