1. Leviticus 23:6 (ESV)
  2. Exposition

When did the Feast of Unleavened Bread begin?

Leviticus 23:6 (ESV)

6 And on the fifteenth day of the same month is the Feast of Unleavened Bread to the LORD; for seven days you shall eat unleavened bread.

The Feast of Unleavened Bread began on the fifteenth day of the first month, immediately after the Passover.