1 Chronicles 9:25

And their brethren in their villages [were] to come [every] seven days {by turn} [to be] with these.

2 Kings 11:5

He commanded them, saying, "This [is] the thing which you must do: one third of you {who go off duty on the Sabbath}, the keepers of the guard in the house of the king,

2 Chronicles 23:8

And the Levites and all Judah did according to all that Jehoiada the priest commanded. And they each took his men [who were] {coming off duty on the Sabbath} with {the ones going out to duty on the Sabbath}, for Jehoiada the priest did not dismiss the working groups.

2 Kings 11:7

Two of the units among you, all {who go on duty on the Sabbath}, guard the post of the temple of Yahweh for the king.

Treasury of Scripture Knowledge

Summary

And their brethren, which were in their villages, were to come after seven days from time to time with them.

Bible References

Seven

2 Kings 11:5
He commanded them, saying, "This [is] the thing which you must do: one third of you {who go off duty on the Sabbath}, the keepers of the guard in the house of the king,
2 Chronicles 23:8
And the Levites and all Judah did according to all that Jehoiada the priest commanded. And they each took his men [who were] {coming off duty on the Sabbath} with {the ones going out to duty on the Sabbath}, for Jehoiada the priest did not dismiss the working groups.