Leviticus 23:37
These are appointed seasons of Jehovah, which ye proclaim holy convocations, to bring near a fire-offering to Jehovah, a burnt-offering, and a present, a sacrifice, and libations, a thing of a day in its day,
Leviticus 23:2
Speak unto the sons of Israel, and thou hast said unto them, Appointed seasons of Jehovah, which ye proclaim, holy convocations, are these: they are My appointed seasons:
Leviticus 23:4
These are appointed seasons of Jehovah, holy convocations, which ye proclaim in their appointed seasons:
Deuteronomy 16:16-17
Three times in a year doth every one of thy males appear before Jehovah thy God in the place which He doth choose -- in the feast of unleavened things, and in the feast of weeks, and in the feast of booths; and they do not appear before Jehovah empty;
Ecclesiastes 3:1
To everything -- a season, and a time to every delight under the heavens: