there are 24 time zones
If you mean time zones. There is one. Russia has 7 time zones.
there is 24 standard time zones!
40 time zones in the world.
Three time zones
There are 3 time zones
mongolia have 4 different time zones
Panama has at least 3 time zones
Five time zones
Zimbabwe has 4 different time zones because it's a small country.
There are 6 time zones in Canada.
The Uttermost Co. Time Zones clock can handle up to eight time zones concurrently.