Galatians 4:10

You keep days, and months, and fixed times, and years.

Romans 14:5

This man puts one day before another: to that man they are the same. Let every man be certain in his mind.

Leviticus 23:1-44

And the Lord said to Moses,

Leviticus 25:1

And the Lord said to Moses on Mount Sinai,

Leviticus 25:13

In this year of Jubilee, let every man go back to his heritage.

Numbers 28:1-29

And the Lord said to Moses,

Colossians 2:16-17

For this reason let no man be your judge in any question of food or drink or feast days or new moons or Sabbaths:

Treasury of Scripture Knowledge did not add

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain