What the Bible says about It was Night
(From Forerunner Commentary)

John 13:30 "It was night." This is after the footwashing, after the bread and the wine. Genesis 14 and 15, Exodus 12 to 14, and the Gospel accounts of Christ's crucifixion all parallel one another. John W. Ritenbaugh The Wavesheaf and the Selfsame Day Related Topics: Crucifixion | Crucifixion, Timing of | Jesus Christ's Crucifixion