In the twilight — i.e., at nightfall. (See 2 Kings 7:9; 2 Kings 7:12.) They waited till then, that their departure might not be noticed from the walls.
The uttermost part — i.e., the outskirts or verge of the camp nearest to Samaria.
Related Commentaries of 2 Kings 7:5
2 Kings 7:5
5 And they rose up in the twilight, to go unto the camp of the Syrians: and when they were come to the uttermost part of the camp of Syria, behold, there was no man there.