Our Time Zone Map shows all current time zones. timeanddate.com. More Than 24 Time Zones. In an ideal world, each time zone would cover 15 degrees of longitude, with a time difference of one hour to adjacent time zones. This would bring the total number of time zones to 24. Which country has the most time zones?

World time and date for cities in all time zones. International time right now. Takes into account all DST clock changes.

The timeanddate.com Time Zone Map gives an overview of current local times around the world. It takes into account daylight saving time (DST) changes worldwide.

World time and date for cities in all time zones. International time right now. Takes into account all DST clock changes.

Find the exact time difference with the Time Zone Converter – Time Difference Calculator which converts the time difference between places and time zones all over the world.

Time zone name Location Offset; A: Alfa Time Zone Military: UTC +1: ACDT: Australian Central Daylight Time CDT – Central Daylight Time CDST – Central Daylight Savings Time: Australia: UTC +10:30: ACST: Australian Central Standard Time CST – Central Standard Time: Australia: UTC +9:30: ACT

Many countries started using hourly time zones by the late 1920s. Many nations today use standard time zones, but some places use 30 or 45 minute deviations from standard time. Some countries such as China use a single time zone even though their territory extends beyond the 15 degrees of longitude. Topics: Time Zone, History, Timekeeping

Time differences between a city and time zones worldwide. What is the time difference between your location and New York, Berlin, and Tokyo?

Time zones in United States, including time zone names for standard time and Daylight Saving Time (DST) in 2025.

Use the World Clock Meeting Planner to find a suitable time to have a telephone conversation, web cast, or meeting with participants in many time zones.