One
7.
One time zone. North Korea, South Korea, and Japan share a time zone.
Russia and U.S.A have the greatest number of time zones
there are 24 time zones
If you mean time zones. There is one. Russia has 7 time zones.
40 time zones in the world.
there is 24 standard time zones!
There are 3 time zones
mongolia have 4 different time zones
Panama has at least 3 time zones
Time zones change from east to west, so the correct answer is no. However they are not perfectly straight, so it is possible to be in a different time zone than a place north or south of you.
Five time zones