How many standard time zones in the world?
Standard time has 26 time zones. Universal time has 37 time zones. There are 37 official time zones in the world. How can this be? Ten time zones are :30 zones. The International Dateline’s eastern boundary contains 3 time zones in order to keep individual countries on the same time. There are still 24 hours in a day but 10 countries keep time on the half hour and 3 use a time zone well outside of their standard time. 24 hour zones + 10 that keep time on the half hour and 3 use a time zone outside their standard time.