Exodus 19:1-2
Israel at Sinai
19:1 In the third month after the Israelites went out from the land of Egypt, on the very day, they came to the Desert of Sinai.
19:2 After they journeyed from Rephidim, they came to the Desert of Sinai, and they camped in the desert; Israel camped there in front of the mountain.
Numbers 10:11-13
The Journey From Sinai to Kadesh
10:11 On the twentieth day of the second month, in the second year, the cloud was taken up from the tabernacle of the testimony.
10:12 So the Israelites set out on their journeys from the wilderness of Sinai; and the cloud settled in the wilderness of Paran.
Judah Begins the Journey
10:13 This was the first time they set out on their journey according to the commandment of the Lord, by the authority of Moses.