Understanding the result
Each row shows the local time in a place, the date there, and the zone's abbreviation and UTC offset right now. The offset changes when a place moves onto or off daylight saving time, so you can see at a glance whether a place is currently on summer time.
What is a world clock?
A world clock displays the current time in several places at once. It is useful for keeping in touch with family, coordinating with a distributed team or checking whether it is a reasonable hour to call someone.
The list starts with Dublin, London, New York, Los Angeles, Toronto, Chicago, Dubai, Delhi, Singapore, Tokyo and Sydney.
How it works
The current moment is read from your device clock and shown in each zone using your browser's time zone data. Clocks refresh once a minute, on the minute, and pause while the tab is hidden, so the page uses almost no processing.
Your list of places and your 12- or 24-hour choice are saved in your browser's local storage on this device only. Nothing is sent to a server, and clearing site data resets it to the default list.
Examples
Meeting across Dublin, New York and Tokyo
Add the three cities and compare their times. Where their working hours overlap is easy to spot, and the date column shows when one place is already on the next day.
Seeing daylight saving in action
Compare London and New York during March: the offset labels change on different weekends, so the gap between them briefly differs from the usual 5 hours.
Things to keep in mind
- The times are only as accurate as your device's clock and time zone data.
- A place shows an abbreviation only when one is widely used; the UTC offset is always shown.
- To convert a specific future time rather than the time right now, use the Time Zone Converter.