In Luke 22:1, the feast drew near; now the day of Unleavened Bread has arrived — a direct temporal link.

Exodus 12:6 commands the Passover lamb to be sacrificed at twilight — the very requirement being fulfilled here.

Exodus 12:18 defines the day of Unleavened Bread from the 14th at evening — the same day referred to here.

In Matthew 26:17, the disciples ask about preparing the Passover on the first day of Unleavened Bread — parallel timing.

Exodus 12:21 records Moses commanding the slaughter of the Passover lamb, establishing the feast Luke 22:7 says 'had to be sacrificed'.

Exodus 23:15 commands the Feast of Unleavened Bread, which Luke 22:7 identifies as the day the Passover lamb was sacrificed.

Leviticus 23:5 sets the Passover on the fourteenth day of the first month, defining the day Luke 22:7 says 'came'.

Numbers 9:2 commands Israel to keep the Passover at its appointed time, which Jesus and his disciples are about to do in Luke 22:7.

Numbers 28:16 also specifies the fourteenth day of the first month as the Lord's Passover, confirming the timing in Luke 22:7.

Matthew 26:5 records the leaders' plan to avoid arresting Jesus during the feast, the very feast Luke 22:7 says has arrived.