When to use it
Use this world clock to see the time in several cities at once. It helps when working with remote colleagues, calling family abroad, planning travel, booking international meetings or following events in other countries. Each city shows whether people are likely to be at work or asleep.
How to use it
- Your time at the top shows your local time, date and time zone, updated every second.
- The default cities are London, New York, Dubai and Tokyo. Remove any with ✕.
- Type a city or time zone in Add a city or time zone and add it.
- Choose 12-hour or 24-hour time.
- Use Compare at to see every city at a time you choose, then Back to now.
Each card shows the local time, whether it is today, tomorrow or yesterday there, the UTC offset, how far ahead or behind you it is, and whether it is within working hours. A sun or moon shows day or night.
Worked example
You live in London and need a call with colleagues in New York and Tokyo. Add both cities. With Compare at, try 13:00. New York shows 8:00 AM, five hours behind, and Tokyo shows 10:00 PM, nine hours ahead in winter, outside working hours. Try 08:00 instead: New York is 3:00 AM, which is worse.
There is no time that suits everyone, so you choose 13:00 London and agree to rotate the time each month so the late call is shared.
Tips
- Add your colleagues’ cities once. The list is saved, so it is ready every time you open the page.
- Watch the working hours line. It shows at a glance who is likely to be available.
- Check around daylight saving changes. Countries switch on different dates, so the gap between cities can change by an hour for a few weeks in spring and autumn.
- Use 24-hour time for planning. It avoids AM and PM mix-ups across time zones.
- Keep the page open during a busy day. The clocks update every second.
Common mistakes
- Forgetting the date change. A 9 AM meeting in Sydney may be the previous evening for you.
- Assuming offsets stay the same all year. Daylight saving changes them.
- Using country names for large countries. The US, Canada, Australia and Russia have several time zones, so add a city instead.