These are the feasts of the Lord — Or rather, the solemnities: (for the day of atonement was a fast:) and so the word is used, Isaiah 33:20, where Zion is called the city of our solemnities.
Related Commentaries of Leviticus 23:4
Leviticus 23:4
4 These are the feasts of the LORD, even holy convocations, which ye shall proclaim in their seasons.