John Gill - Exposition
John Gill
Ver. 30 And then shall appear the sign of the son of man in heaven,.... Not the sound of the great trumpet, mentioned in the following verse; nor the clouds of heaven in this; nor the sign of the cross appearing in the air, as it is said to do in the times of Constantine: not the former; for though to blow a trumpet is sometimes to give a sign, and is an alarm; and the feast which the Jews call...