King James Version
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.English Standard Version
On the third new moon after the people of Israel had gone out of the land of Egypt, on that day they came into the wilderness of Sinai.New International Version
In the third month after the Israelites left Egypt-on the very day-they came to the Desert of Sinai.