Cross reference
Leviticus 23:4
4 These are the fixed feasts of the Lord, the holy days of worship which you will keep at their regular times.
Leviticus 23:2
2 Say to the children of Israel, These are the fixed feasts of the Lord, which you will keep for holy meetings: these are my feasts.
Exodus 23:14
14 Three times in the year you are to keep a feast to me.
Leviticus 23:37
37 These are the fixed feasts of the Lord, to be kept by you as holy days of worship, for making an offering by fire to the Lord; a burned offering, a meal offering, an offering of beasts, and drink offerings; every one on its special day;