Leviticus 23:1-3 NIV

1 The LORD said to Moses,
2 "Speak to the Israelites and say to them: 'These are my appointed feasts,1 the appointed feasts of the LORD, which you are to proclaim as sacred assemblies.2

References for Leviticus 23:2

      The Sabbath

      3 " 'There are six days when you may work,3 but the seventh day is a Sabbath of rest,4 a day of sacred assembly. You are not to do any work;5 wherever you live, it is a Sabbath to the LORD.

      References for Leviticus 23:3