Exodus 19:1
In the third month, on the same day of the month that the Israelites had left the land of Egypt, they entered the Wilderness of Sinai.
Exodus 12:6
You are to keep it until the fourteenth day of this month; then the whole assembly of the community of Israel will slaughter the animals at twilight.
Exodus 16:1
The entire Israelite community departed from Elim and came to the Wilderness of Sin, which is between Elim and Sinai, on the fifteenth day of the second month after they had left the land of Egypt.
Numbers 33:15
Exodus 12:2
“This month is to be the beginning of months for you; it is the first month of your year.
Leviticus 23:16-18
You are to count 50 days until the day after the seventh Sabbath and then present an offering of new grain