World Clock
See the current local time in major cities around the world at a glance.
Live times for cities around the world. Search to add more cities.
What Time Is It Around the World Right Now?
Real-time local times
Every clock updates every second using your device's clock and the IANA timezone database. No server requests are needed after the initial page load — all calculations run entirely in your browser.
Add any city
Type any city name into the search box to add it to your clock board. Your selection is saved locally in your browser so the same cities appear next time you visit.
Night mode cards
Cards with a dark background indicate that the local time is between 8 PM and 6 AM — a quick visual cue that the city is in night hours, useful when scheduling calls across time zones. For precise time conversion between cities, try the timezone converter.
12-hour and 24-hour formats
Toggle between 12-hour (AM/PM) and 24-hour display using the buttons in the toolbar. Your format preference is also saved locally between visits. To see all UTC offset zones in one view, try the timezone map.
Worked example
London 12:00 GMT (January): New York 07:00 EST (dark card — early morning), Dubai 16:00 GST (light), Singapore 20:00 SGT (light), Tokyo 21:00 JST (light), Sydney 23:00 AEDT (dark — late evening). The dark cards flag cities where a meeting would mean very early or very late hours for remote colleagues.
Related calculations
For daylight hours rather than clock time, the sunrise and sunset calculator gives first and last light for any location and date. To convert a single time between two zones, use the time zone converter.
Frequently Asked Questions
What is UTC?
UTC (Coordinated Universal Time) is the primary international time standard from which all other time zones are offset. It does not observe daylight saving time. Most time zones are expressed as UTC+n or UTC−n, where n is the number of hours offset from UTC.
What is the difference between UTC and GMT?
For everyday purposes, UTC and GMT (Greenwich Mean Time) show the same time. Technically, UTC is an atomic-clock-based standard while GMT is an astronomical standard. UTC is the modern international standard; GMT is commonly used in the UK and some other contexts.
How does daylight saving time affect the clock?
The clock automatically reflects DST changes for regions that observe it. Countries that do not observe DST — such as China, Japan, and India — maintain a constant offset from UTC year-round, so their displayed time never shifts.
How does the world clock work?
The clock uses your device's system time combined with the IANA timezone database to convert the current moment into each city's local time. Because JavaScript's Intl API handles the conversion, no server calls are needed and all clocks stay in sync automatically.
Evidence & Methodology
How This Page Is Grounded
Method
Takes the current instant and formats it for each city using its IANA time-zone identifier.
Important limitation: Displayed civil time depends on the time-zone rules available in the user's browser.
Primary Sources
- Time Zone Database Internet Assigned Numbers Authority
- Time Zone Database theory and limitations Internet Assigned Numbers Authority
Quality Checks
UTC offsets, half-hour zones, daylight-saving changes and date boundaries are checked.
See how sources are selected and corrections are handled in our Editorial & Calculation Methodology, and which automated checks this page has to pass in How We Test.