2 Chronicles 29:17

They started on the first day of the first month. On the eighth day they went into Jehovah's entrance hall. For eight days they performed the ceremonies to make Jehovah's Temple holy. They finished on the sixteenth day of the first month.

Exodus 12:2-8

This month shall be the beginning of months for you. It is to be the first month of the year to you.

1 Kings 6:3

The entrance room was fifteen feet deep and thirty feet wide. It was as wide as the sanctuary.

1 Chronicles 28:11

Then David gave his son Solomon the plans for the entrance hall and the Temple, the storerooms, upper rooms, inner rooms, and the room for the throne of mercy.

2 Chronicles 3:4

The entrance hall in front of the main room was thirty feet wide (the same as the width of the temple) and thirty feet high. He covered its inside walls with pure gold.

2 Chronicles 29:3

In the first month of his first year as king, he opened the doors of Jehovah's temple and repaired them.

2 Chronicles 29:7

They also shut the doors of the temple's entrance hall. They extinguished the lamps, and did not burn incense or sacrifice burnt offerings in the holy place to the God of Israel.

Treasury of Scripture Knowledge

Summary

Now they began on the first day of the first month to sanctify, and on the eighth day of the month came they to the porch of the LORD: so they sanctified the house of the LORD in eight days; and in the sixteenth day of the first month they made an end.

The sixteenth

Bible References

The porch

2 Chronicles 29:7
They also shut the doors of the temple's entrance hall. They extinguished the lamps, and did not burn incense or sacrifice burnt offerings in the holy place to the God of Israel.
2 Chronicles 3:4
The entrance hall in front of the main room was thirty feet wide (the same as the width of the temple) and thirty feet high. He covered its inside walls with pure gold.
1 Kings 6:3
The entrance room was fifteen feet deep and thirty feet wide. It was as wide as the sanctuary.
1 Chronicles 28:11
Then David gave his son Solomon the plans for the entrance hall and the Temple, the storerooms, upper rooms, inner rooms, and the room for the throne of mercy.

The sixteenth

Exodus 12:2
This month shall be the beginning of months for you. It is to be the first month of the year to you.