Time Zones
World Clock
See the current time in major cities and time zones around the world.
World Clock
- New York09:03 AM
- Los Angeles06:03 AM
- London02:03 PM
- Berlin03:03 PM
- Dubai05:03 PM
- Mumbai06:33 PM
- Shanghai09:03 PM
- Tokyo10:03 PM
- Sydney11:03 PM
Seeing several cities' current time at once relies entirely on your own device's clock — the tool applies each city's real time zone rule to that one shared moment rather than fetching time from a server, so accuracy depends on your device being set correctly.
Travelers planning a call home, journalists coordinating with international sources, and anyone simply curious what time it is somewhere else right now are all common real uses for a simultaneous multi-city clock display.
How the World Clock works
Using the same IANA time zone data as the Time Zone Converter, the tool reads your device's clock once and displays the equivalent local time in every city you've selected simultaneously, updating live as your device's clock advances.
This tool's per-city computation reuses the exact same IANA time zone data as the Time Zone Converter and Meeting Planner, just applied to "right now" for several cities simultaneously rather than to a single specified time being converted between two places.
Worked example
At a moment when it's 12:00 noon in London, it's simultaneously about 07:00 in New York (during Daylight Saving Time, 5 hours behind), 21:00 in Tokyo (Japan doesn't observe Daylight Saving Time, a fixed 9 hours ahead of London's standard time but the actual gap shifts when London's own clocks change), and 22:00 in Sydney during Australian summer time — gaps that shift across the year as different regions enter and exit Daylight Saving Time on their own separate schedules.
Edge cases this tool handles correctly
- The International Date Line
- A handful of real places sit close to the Date Line and can show a full calendar-day difference — not just an hour difference — from a city a relatively short distance away, because some Pacific nations near the line have chosen to be among the first places on Earth to reach each new calendar day, while others just across the line are among the last.
- Device clock accuracy
- Because the tool trusts your device's own clock and time zone setting as its reference, an incorrect device clock or wrong local time zone setting shifts every displayed city by the same error.
- Comparing a very large number of cities
- There's no fixed cap on how many cities can be displayed at once, though the practical limit for readability on a single screen is set by the interface layout rather than the underlying calculation.
- Cities that don't observe Daylight Saving Time
- A city in a zone that never observes Daylight Saving Time (most of Asia, for instance) keeps a constant offset from UTC year-round, while a city that does observe it will show a shifting gap relative to that first city across the year.
- Two cities in the same country, different zones
- Some countries span multiple time zones internally — for example, the mainland US covers four main zones, and mainland China, despite spanning a geographic width comparable to the US, officially uses a single time zone nationwide — a genuine political choice about time-keeping rather than a strictly geographic one.
Frequently asked questions
Where does the "current time" come from?
Your own device's clock, adjusted per city using the same time zone data as the Time Zone Converter — not a server clock.
Do large countries always have multiple time zones?
Not necessarily — mainland China spans a geographic width comparable to the continental US but officially observes a single nationwide time zone, a political choice rather than a strictly geographic necessity.
Can I remove a city once I've added it to the display?
Yes — the selection of displayed cities is fully editable; adding or removing a city just changes which zones are being read from the same underlying IANA data at that moment.
Why do some nearby-looking places show a whole day apart?
The International Date Line runs through the Pacific, and some countries near it have chosen which side of the line to sit on, which can make geographically close places a full calendar day apart.
Does it update live?
Yes — it continuously re-reads your device's clock rather than showing a single fixed snapshot.
Can I add or remove cities?
Yes — you choose which cities/time zones to display at once.
Is there a limit to how many cities I can show at once?
The underlying calculation has no fixed cap; the practical limit is just how many fit comfortably in the display.
Does it show the date as well as the time for each city?
Yes — when a city's local time crosses into a different calendar day than your own, the date is shown alongside the time to avoid confusion.