Sinai: The People of Israel Arrive At, in Their Wanderings in the Wilderness
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Exodus 16:1
On the fifteenth day of the second month after they had left the land of Egypt, the whole congregation of Israel set out from Elim and came to the Desert of Sin, which is between Elim and Sinai.
Exodus 19:2
After they had set out from Rephidim, they entered the Wilderness of Sinai, and Israel camped there in front of the mountain.
Deuteronomy 1:2
It is an eleven-day journey from Horeb to Kadesh-barnea by way of Mount Seir.