27/08/2021
If the Earth's time zones were each one hour apart, then we would have 24 times zones, which sounds pretty straightforward. However, the situation is a little more complicated than that. Since many time zones only differ by 30 or 45 minutes, they don't fit into a neat and tidy 24-hour span, which means that there are more than 24, though it's hard to say exactly how many.