Exodus 23:10 New English Translation

¹⁰^[a] “For six years^[b] you are to sow your land and gather in its produce.

Exodus 23:10 sn This section concerns religious duties of the people of God as they worship by giving thanks to God for their blessings. The principles here are: God requires his people to allow the poor to share in their bounty (10-11); God requires his people to provide times of rest and refreshment for those who labor for them (12); God requires allegiance to himself (13); God requires his people to come before him in gratitude and share their bounty (14-17); God requires that his people safeguard proper worship forms (18-19).
Exodus 23:10 tn Heb “and six years”; this is an adverbial accusative telling how long they can work their land. The following references to years and days in vv. 10-12 function similarly.

New English Translation (NET)