Exodus 19:1
In the third month, on the same day of the month that the Israelites had left the land of Egypt, they came to the Wilderness of Sinai.
Berean Standard Bible
In the third month, when the children of Israel were gone forth out of the land of Egypt, the same day came they into the wilderness of Sinai.
In the third month after the children of Israel had gone out of the land of Egypt, on that same day they came into the wilderness of Sinai.