'First' in the Bible

In the Sinai desert, the LORD spoke to Moses inside the Tent of Meeting on the first day of the second month of the second year after they had left the land of Egypt. He said,

All those numbered by division in the camp of Judah total 186,400. They are to be the first to travel."

On the first day Amminadab's son Nahshon, from the tribe of Judah, presented

All the livestock for burnt offerings totaled twelve bulls, twelve rams, twelve sheep in their first year with corresponding meal offerings, and twelve male goats for sin offerings.

since they've been set apart for me from among the Israelis. I've taken them for myself instead of the first to open the womb every firstborn of the Israelis,

The LORD spoke to Moses in the Wilderness of Sinai during the first month of the second year that they had left Egypt,

They observed the Passover on the fourteenth day of the first month at twilight, in the Wilderness of Sinai. The Israelis did everything that the LORD had commanded through Moses.

The standard of the camp of Judah was the first to travel, accompanied by its army with Amminadab's son Nahshon in charge.

You are to offer a cake made from the first of your bread dough as a raised offering to the LORD. Offer it as a raised offering right off your threshing floor.

From then on, throughout your generations give the first of your bread dough to the LORD."

The entire community of the Israelis entered the Zin wilderness during the first month. The people stayed in Kadesh. Miriam died and was buried there.

Offer the first lamb in the morning and the second toward the evening,

"On the first day of each month, you are to offer a burnt offering to the LORD consisting of two young bulls, one ram, and seven one year old lambs, all of them without any defects,

"The LORD's Passover is to take place on the fourteenth day of the first month.

"On the first day, you are to hold a sacred assembly. No servile work is to be done.

"On the first day of your harvest season, you are to hold a sacred assembly when you present your first fruits during the Festival of Weeks. No servile work is to be done.

"You are to hold a sacred assembly on the first day of the seventh month of each year. No servile work is to be done. It's a day of blowing trumpets for you.

They departed from Rameses in the first month, on the fifteenth day of that first month. The day after the Passover, the Israelis came out confidently, and all the Egyptians watched them leave,

Then Aaron the priest ascended Mount Hor in obedience to the LORD's command and died there, in the fortieth year after the Israelis had come out of the land of Egypt, on the first day of the fifth month.