John Trapp on Luke 2:8

Verse 8. Keeping watch over their flock] At the tower of [illegible: 1 word], say some, between Jerusalem and Bethlehem, where Jacob, returning from Mesopotamia, stayed with his flock, after hee had buried Rachel, Gen. 35. 21. Mic. 4. 8. By night] Hence some gather, that our Saviour was not born in the winter; because in winter they housed their cattle, and fed them not without doores, Pro. 27. 25.