World Clock
Check the current time in multiple cities around the world simultaneously. Live world clock online.
About this reference
See the current time in several world cities at once, updating every second, so you know whether it is a good time to call.
Cities include New York, London, Dubai, Mumbai, Singapore, Tokyo and Sydney.
How to use it
- Read the time and date for each city.
- Note the day, which may differ from yours.
Time zones around the world
The world has 24 main time zones, but around 37 distinct offsets are in use because some countries use half-hour or 45-minute offsets (India UTC+5:30, Nepal UTC+5:45). Many countries shift clocks for daylight saving; India, Japan, China and UAE do not.
Worked example
Offsets from UTC
| New York | −5 (−4 in summer) |
| London | 0 (+1 in summer) |
| Dubai | +4 |
| Mumbai | +5:30 |
| Singapore | +8 |
| Tokyo | +9 |
| Sydney | +11 from October to April, +10 otherwise |
Tips and common mistakes
- Check the date, not just the time.
- Avoid calls in someone's night.
- Remember daylight-saving changes.
- Use 24-hour time to avoid am/pm mistakes.
- Add city names in meeting invites.
Frequently asked questions
How many time zones are there?
24 main zones; around 37 offsets in use.
Why is India UTC+5:30?
A single national half-hour offset.
Does Dubai have daylight saving?
No.
What is UTC?
The global time standard.
Which city is ahead of Mumbai?
Singapore, Tokyo, Sydney.
Is the clock accurate?
It follows your device clock.