Numbers that are shown at bottom of time zone map indicate _______.
Numbers at the bottom of a time zone map indicates number of hours.
When we look across a time zone map. We can understand the time zones because zones are given as an index at the bottom. It shows 24 time zones depicted as the 12 hours before noon and 12 hours after noon. This depends on the direction we move.
-12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 +12