Exodus 12:15-17 institutes the Feast of Unleavened Bread, which Numbers 28:17 later codifies.

Exodus 13:6 commands eating unleavened bread seven days, directly paralleled in Numbers 28:17.

Leviticus 23:6 gives the same law for the Feast of Unleavened Bread, identical to Numbers 28:17.

In Deuteronomy 16:3, the unleavened bread is called 'bread of affliction' to remind of the Exodus, adding symbolic meaning to the seven days commanded here.

In 1 Corinthians 5:8, Paul uses unleavened bread as a metaphor for sincerity, applying the festival's symbolism to Christian conduct.

In Matthew 26:17, the disciples prepare for Passover on the first day of Unleavened Bread, linking this festival to Jesus' last supper.

In Deuteronomy 16:8, the seventh day also has a sacred assembly, mirroring the first-day assembly commanded here.