16 And the festival of the harvest, the first fruits of thy works, which thou shalt sow in the field: and the festival of gathering in the going out of the year, in thy gathering thy works out of the field.
Bible verses about "feast" | JuliaSmith
Exodus 23:16
Leviticus 23:1-2
Exodus 12:14
14 And this day shall be to you for a remembrance; and ye kept it a festival to Jehovah for your generations: ye shall keep a festival a law forever.