These are the feasts of the LORD, even holy convocations, which ye shall proclaim in their seasons.
Leviticus 23:2
Speak unto the children of Israel, and say unto them, Concerning the feasts of the LORD, which ye shall proclaim to be holy convocations, even these are my feasts.
Leviticus 23:37
These are the feasts of the LORD, which ye shall proclaim to be holy convocations, to offer an offering made by fire unto the LORD, a burnt offering, and a meat offering, a sacrifice, and drink offerings, every thing upon his day:
Exodus 23:14
Three times thou shalt keep a feast unto me in the year.