Luke 23:12

12 That day Herod and Pilate became friends—before this they had been enemies.

Read Luke 23:12 Using Other Translations

And the same day Pilate and Herod were made friends together: for before they were at enmity between themselves.
And Herod and Pilate became friends with each other that very day, for before this they had been at enmity with each other.
(Herod and Pilate, who had been enemies before, became friends that day.)