The Burden of Dumah – Isaiah 19
Isa. 21:11 says, ‘Watchman, what of the night?’ He says ‘The morning cometh,’ this is at the time when the glorified man multitude asks Israel’s watchman the question from out of Seir. Jesus, speaking of this evening, the end of it which is darkest, “And at midnight there was a cry raised, Behold the bridegroom cometh,’ (Matt. 25:1). And in 1 Thess. 5:2, and 2 Pet. 3:10, Christ is said to come “as a thief in the night.’”
— The Christadelphian, Volume 30, 1893, Page 449-450
Also see Ministry of the Prophets Isaiah, Chapter 21.