One place for world time
Everything you need to work across time zones
Compare cities, plan meetings and explore time zones with clocks calculated from your device time and the current IANA rules available in your browser.
World Cities
Search 187 cities across 122 countries, grouped by region and compared with your local time.
Browse cities →Meeting Planner
Line up several cities and find the hours that work for everyone, with a clear view of the overlap.
Plan a meeting →Clock Board
Pin the cities you care about and keep their local time side by side, saved in your browser.
Build your board →Time Tools
Convert time zones, run a stopwatch or timer, calculate dates and hours, and count down to any event.
Open the tools →Explore cities, countries and time zones
Browse named zones, UTC offsets and DST rules. See how we calculate time in our methodology and data sources.
Popular cities
Jump straight to the live local time in a major city.
Popular time comparisons
See the time difference between two cities, with the best hours to meet.