Numbers 9:20-21

20And if it were so that the cloud was a few days upon the tabernacle, according to the commandment of Jehovah they encamped, and according to the commandment of Jehovah they journeyed.

21And if it were so that the cloud was there from the evening until the morning, and that the cloud was taken up in the morning, then they journeyed; or a day and a night, and the cloud was taken up, they journeyed;