Time zone borders are jagged because they follow political borders.
Because the earth is constantly spinning, so it cannot be straight with the sun.
there are 24 time zones
No, the time zones are not contyrolled by borders, for example PST(Pacific Standard Time) is the same in Portland, Oregon as it is in Tijuana, Mexico
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.
mongolia have 4 different time zones
There are 3 time zones
Panama has at least 3 time zones
Two (Eastern and Central Time Zones)
Three time zones
Five time zones