to perform his customary duties as a priest before God, he drew the responsibility [that day] of entering the Temple of the Lord to burn the incense offering. [Note: This was done on a golden Altar in the Temple by a priest twice a day].

Then they arrested Jesus and led Him away to the head priest's house [i.e., Caiaphas. See Matt. 26:57]. But Peter followed Him from a distance [i.e., as they went to the head priest's courtyard].