On the seventh day - Both Jewish and Christian writers have been surprised that this work of offering went forward on the seventh day, which they suppose to have been a Sabbath, as well as on the other days. But
1.There is no absolute proof that this seventh day of offering was a Sabbath.
2.Were it even so, could the people be better employed than in thus consecrating themselves and their services to the Lord?
We have already seen that every act was a religious act; and we may rest assured that no day was too holy for the performance of such acts as are recorded here.
The several princes make their offerings in the order assigned to the tribes Numbers 2. It was doubtless the tribes themselves which presented these gifts through their chiefs. The twelve offerings are strictly alike, and were offered on twelve separate days.