Charles Ellicott Commentary Daniel 11:29

"At the time appointed he shall return, and come into the south; but it shall not be in the latter time as it was in the former." — Daniel 11:29 (ASV)

At the time appointed— that is, in God’s own time. According to 1 Maccabees 1:29, it was after two years were fully expired since his return to Syria that Antiochus made another attack upon Jerusalem. This attack was made after his return from Egypt.

But it shall not be. —No such success attended him at the latter as at the former invasion.