Numbers 9:5
and they did so in the Wilderness of Sinai, at twilight on the fourteenth day of the first month. The Israelites did everything just as the LORD had commanded Moses.
Berean Standard Bible
And they kept the passover on the fourteenth day of the first month at even in the wilderness of Sinai: according to all that the LORD commanded Moses, so did the children of Israel.
They kept the Passover in the first month, on the fourteenth day of the month at evening, in the wilderness of Sinai. According to all that the LORD commanded Moses, so the children of Israel did.