Moses
Leviticus 23:3KJV·traditional attribution

Six days shall work be done: but the seventh day is the sabbath of rest, an holy convocation; ye shall do no work therein: it is the sabbath of the LORD in all your dwellings.

Matthew Henry Presbyterian

Here is, I. A general account of the holy times which God appointed (Lev 23:2), and it is only his appointment that can make time holy; for he is the Lord of time, and as soon as ever he had set its wheels a-going it was he that sanctified and blessed one day above the rest, Gen 2:3.

Commenting on Leviticus 23:1-3

John Gill Reformed Baptist

Six days shall work be done,.... Or may be done by men, any sort of lawful work and honest labour, for the sustenance of themselves and families: but the seventh day is the sabbath of rest; from all bodily labour and work of any kind; typical of rest by Christ and in him: an holy convocation; when the people were called to holy exercises, to...

Jamieson-Fausset-Brown Reformed

Six days shall work be done: but the seventh day is the sabbath of rest--(See on Exo 20:8). The Sabbath has the precedence given to it, and it was to be "a holy convocation," observed by families "in their dwellings"; where practicable, by the people repairing to the door of the tabernacle; at later periods, by meeting in the schools of the prophets, and in synagogues.