1 Kings 5:14

He sent 10,000 to Lebanon each month in shifts; one month they were in Lebanon, two months they were at home. Adoniram was in charge of the forced labor.

1 Kings 4:6-19

Ahishar, in charge of the palace;
and Adoniram son of Abda, in charge of forced labor.

1 Chronicles 27:1-15

This is the list of the Israelites, the heads of families, the commanders of thousands and the commanders of hundreds, and their officers who served the king in every matter to do with the divisions that were on rotated military duty each month throughout the year. There were 24,000 in each division:

Treasury of Scripture Knowledge

Summary

And he sent them to Lebanon, ten thousand a month by courses: a month they were in Lebanon, and two months at home: and Adoniram was over the levy.

Adoniram

Bible References

A month

1 Kings 4:7
Solomon had 12 deputies for all Israel. They provided food for the king and his household; each one made provision for one month out of the year.
1 Chronicles 27:1
This is the list of the Israelites, the heads of families, the commanders of thousands and the commanders of hundreds, and their officers who served the king in every matter to do with the divisions that were on rotated military duty each month throughout the year. There were 24,000 in each division:

Adoniram

1 Kings 4:6
Ahishar, in charge of the palace;
and Adoniram son of Abda, in charge of forced labor.

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