John Gills Exposition of the Bible Commentary - Exodus 34:22
And thou shalt observe the feast of weeks ,.... The feast of Pentecost, called the feast of weeks, because seven sabbaths or weeks, or fifty days, were to be reckoned from the day in the passover feast, on which the sheaf of the wave offering was brought, Leviticus 23:15 and which was also called the feast of the first fruits of wheat harvest , to distinguish it from the barley harvest, at the time of the passover, when a sheaf of barley was the wave offering to the Lord; but at this... read more
Matthew Henry's Complete Commentary - Exodus 34:18-27
Here is a repetition of several appointments made before, especially relating to their solemn feasts. When they had made the calf, they proclaimed a feast in honour of it; now, that they might never do so again, they are here charged with the observance of the feasts which God had instituted. Note, Men need not be drawn from their religion by the temptation of mirth, for we serve a Master that has abundantly provided for the joy of his servants: serious godliness is a continual feast, and joy... read more