NASB
"Thus the LORD spoke to Moses in the wilderness of Sinai, in the first month of the second year after they had come out of the land of Egypt, saying,"
— Numbers 9:1, NASB
“And the Lord spake unto Moses in the wilderness of Sinai, in the first month of the second year after they were come out of the land of Egypt, saying,”
“And Jehovah spake unto Moses in the wilderness of Sinai, in the first month of the second year after they were come out of the land of Egypt, saying, ”
“Yahweh spoke to Moses in the wilderness of Sinai, in the first month of the second year after they had come out of the land of Egypt, saying,”
“Passover Regulations The LORD spoke to Moses in the desert of Sinai, in the first month of the second year after they had come out of the land of Egypt:”
“The Lord spoke to Moses in the desert of Sinai, the second year after they were come out of the land of Egypt, in the first month, saying:”
“And the Lord said to Moses, in the waste land of Sinai, in the first month of the second year after they had come out of the land of Egypt,”
“And the Lord spake unto Moses in the wilderness of Sinai, in the first month of the second year after they were come out of the land of Egypt, saying,”
Thus the LORD spoke to Moses in the wilderness of Sinai, in the first month of the second year after they had come out of the land of Egypt, saying,
"Now, let the sons of Israel observe the Passover at its appointed time.
"On the fourteenth day of this month, at twilight, you shall observe it at its appointed time; you shall observe it according to all its statutes and according to all its ordinances."
So Moses told the sons of Israel to observe the Passover.