Exodus 19:1-3

21st Century King James Version

19 In the third month after the children of Israel had gone forth out of the land of Egypt, the same day came they into the Wilderness of Sinai.

² For they had departed from Rephidim, and had come to the desert of Sinai and had pitched camp in the wilderness; and there Israel camped before the mount.

³ And Moses went up unto God, and the Lord called unto him out of the mountain, saying, “Thus shalt thou say to the house of Jacob, and tell the children of Israel: