How Many Time Zones Are There In The World?
There are 24 time zones in the world. This signifies that the Earth is divided into 24 'slices', and each time zone moves on one hour from the previous time zone.
Time Zone One is that of Greenwich and, Universal Time (UT) which serves as a reference to the whole world is calculated from this.
To the west of Greenwich (towards America) the time decreases; to the east (towards Asia and Australia) the time increases.