What is the first annual festival mentioned in this chapter?
Leviticus 23:5 (ESV)
5In the first month, on the fourteenth day of the month at twilight, is the LORD’s Passover.
The first annual festival in the Hebrew calendar is the Passover. It occurs in the first month of the year (Nisan 15), which is in the spring in Israel.
5 In the first month, on the fourteenth day of the month at twilight, is the LORD’s Passover.