1 The Israelites arrived at the desert of Sinai in the third month after they left the land of Egypt.
Exodus 19:1 Cross References - NSB
Exodus 12:2
2 »This month shall be the beginning of months for you. It is to be the first month of the year to you.
Exodus 12:6
6 »‘Take care of it until the fourteenth day of this month. Then at dusk, all the assembled people from the community of Israel must slaughter their animals.
Exodus 16:1
1 The whole congregation of Israelites moved from Elim to the desert of Sin, which is between Elim and Sinai. This was on the fifteenth day of the second month after they left Egypt.
Leviticus 23:16-18
16 until the day after the seventh week. This is a total of fifty days. Then bring a new grain offering to Jehovah.
17 »‘Bring two loaves of bread from your homes to present to Jehovah. Bake them with four quarts of flour. They are the first harvested grain for Jehovah.
18 »‘Using the bread the community is to present seven one-year-old lambs, one bull, and two rams, none of which may have any defects. They should be offered as a burnt offering to Jehovah, along with a grain offering and a wine offering. The odor of this offering is pleasing to Jehovah.
Numbers 33:15
15 They moved from Rephidim and set up camp in the Desert of Sinai.