You shall observe the Feast of Weeks, the firstfruits of wheat harvest, and the Feast of Ingathering at the year’s end.
The Israelites had just made a calf and called it a feast; now God prescribes His own feasts to guard them from that snare. Serious godliness is a continual feast, and joy in God always. Even in harvest's press, the Sabbath must not yield; the work will prosper better for honoring it than for abandoning it.
AI summary
Commenting on Exodus 34:18-27
For I will cast out the nations before thee,.... Who are particularly mentioned, Exo 34:11 and therefore they need not be in any fear of them, when they should go up to the appointed place, and appear before the Lord; for to this they were not obliged, until they were come into the land of Canaan, and the inhabitants driven out before them: and enlarge...
And thou shalt observe the feast of weeks, of the firstfruits of wheat harvest, and the feast of ingathering at the year's end. (g) Which was in September, when the days got shorter, that is, the end of their calendar year.