Journey of Israel Through The Desert: To Mount Sinai: Passover First Commemorated
Source: TTT
Numbers 9:1–5
In the first month of the second year after Israel had come out of the land of Egypt, the LORD spoke to Moses in the Wilderness of Sinai: / “The Israelites are to observe the Passover at its appointed time. / You are to observe it at the appointed time, at twilight on the fourteenth day of this month, in accordance with its statutes and ordinances.”