One
Of course. The are many time zones in between, although it will not be as severe as if you were travelling from the U.K to South Korea.
7.
One. Manitoba is in the North American Central Time Zone.
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.
South Korea have appeared in 8 world cups ,at the same time North Korea have appeared in only 2 world cups.
mongolia have 4 different time zones
There are 3 time zones
Panama has at least 3 time zones