21 And sometimes the cloud was from evening until morning; and when the cloud was taken up in the morning, they journeyed; or if it continued by day and by night, when the cloud was taken up, they journeyed.
Numbers 9:21 Cross References - JPS_ASV_Byz
Nehemiah 9:12
12 Moreover in a pillar of cloud Thou didst lead them by day; and in a pillar of fire by night, to give them light in the way wherein they should go.
Nehemiah 9:19
19 yet Thou in Thy manifold mercies forsookest them not in the wilderness; the pillar of cloud departed not from over them by day, to lead them in the way; neither the pillar of fire by night, to show them light, and the way wherein they should go.