Exo 13:21, 40:38 | ESV | STEP | And the Lord went before them by day in a pillar of cloud to lead them along the way , and by night in a pillar of fire to give them light , that they might travel by day and by night .

a ch. 14:19, 24; 40:38; Num. 10:34; 14:14; Deut. 1:33; Neh. 9:12, 19; Ps. 78:14; 99:7; 105:39; 1 Cor. 10:1; [Isa. 4:5]; See Num. 9:15-23

Exodus 13:21

21 And ^athe Lord went before them by day in a pillar of cloud to lead them along the way, and by night in a pillar of fire to give them light, that they might travel by day and by night.

Exodus 40:38

38 For the cloud of the Lord was on the tabernacle by day, and fire was in it by night, in the sight of all the house of Israel throughout all their journeys.