2 Chronicles 31:7

In the third month they began to lay the foundation of the heaps..... The month Sivan, as the Targum, in which month was the feast of Pentecost, called the feast of the harvest, Exo 23:16, for then…

The third month - Compare 2Ch 29:3; 2Ch 30:2, 2Ch 30:13. The events hitherto described - the destruction of the high places, the re-appointment of the courses, and the re-establishment of the tithes…

In the third month - "The month Sivan; the seventh, Tisri." - Targum.

The heaps - The vast collections of grain which they had from the tithes over and above their own consumption; see Ch2 31:10.

We have here an account of what was done after the passover. What was wanting in the solemnities of preparation for it before was made up in that which is better, a due improvement of it after. When…

the third month The Feast of Harvest took place at the beginning of this month and seven weeks later the Feast of Ingathering followed.