2 Chronicles 29:17

And they begin on the first of the first month to sanctify, and on the eighth day of the month they have come to the porch of Jehovah, and they sanctify the house of Jehovah in eight days, and on the sixteenth day of the first month they have finished.

Exodus 12:2-8

This month is to you the chief of months -- it is the first to you of the months of the year;

1 Kings 6:3

As to the porch on the front of the temple of the house, twenty cubits is its length on the front of the breadth of the house; ten by the cubit is its breadth on the front of the house;

1 Chronicles 28:11

And David giveth to Solomon his son the pattern of the porch, and of its houses, and of its treasures, and of its upper chambers, and of its innermost chambers, and of the house of the atonement;

2 Chronicles 3:4

As to the porch that is on the front, the length is by the front of the breadth of the house, twenty cubits, and the height a hundred and twenty, and he overlayeth it within with pure gold.

2 Chronicles 29:3

He, in the first year of his reign, in the first month, hath opened the doors of the house of Jehovah, and strengtheneth them,

2 Chronicles 29:7

Also -- they have shut the doors of the porch, and quench the lamps, and perfume they have not made, and burnt-offering have not caused to ascend in the sanctuary 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
Also -- they have shut the doors of the porch, and quench the lamps, and perfume they have not made, and burnt-offering have not caused to ascend in the sanctuary to the God of Israel,
2 Chronicles 3:4
As to the porch that is on the front, the length is by the front of the breadth of the house, twenty cubits, and the height a hundred and twenty, and he overlayeth it within with pure gold.
1 Kings 6:3
As to the porch on the front of the temple of the house, twenty cubits is its length on the front of the breadth of the house; ten by the cubit is its breadth on the front of the house;
1 Chronicles 28:11
And David giveth to Solomon his son the pattern of the porch, and of its houses, and of its treasures, and of its upper chambers, and of its innermost chambers, and of the house of the atonement;

The sixteenth

Exodus 12:2
This month is to you the chief of months -- it is the first to you of the months of the year;