Numbers 10:6

When ye blow an alarm the second time, then the camps that lie on the south side shall take their journey: they shall blow an alarm for their journeys.

Cross-reference

Numbers 10:5 gives the first alarm for the east camp; this verse is the second alarm for the south camp in the same sequence.

Numbers 2:10–16 Historical context

Numbers 2:10-16 lists the tribes on the south side that set out at the second alarm described here.