Time Zone Converter
Convert times between different time zones worldwide. Perfect for scheduling international meetings and calls.
Convert Time Zones
Enter a time and select time zones to convert between them
Conversion Result
Enter time and zones
to see conversion result
World Time Zones
Interactive Time Zone Map
The Earth is divided into 24 time zones, each approximately 15 degrees of longitude wide.
Understanding Time Zones
24 Time Zones
The world is divided into 24 time zones, each 15 degrees of longitude apart, corresponding to one hour of time difference.
Daylight Saving
Many regions adjust clocks forward in spring and back in autumn to make better use of daylight.
UTC Reference
Coordinated Universal Time (UTC) is the primary time standard by which the world regulates clocks and time.
Time Zone FAQs
What is a time zone?
A time zone is a region of the globe that observes a uniform standard time for legal, commercial, and social purposes.
How many time zones are there?
There are 24 primary time zones, but with daylight saving time and regional variations, there are actually more than 24 time zones in use.
What is UTC?
UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks and time. It is within about 1 second of mean solar time at 0° longitude.
What is daylight saving time?
Daylight Saving Time (DST) is the practice of setting clocks forward by one hour during warmer months to extend evening daylight.
Which countries have the most time zones?
France has the most time zones (12 due to its overseas territories), followed by Russia (11 time zones) and the United States (9 time zones including territories).