World Clock
See the equivalent time in several major world time zones at once, from a single reference time.
- Free to use
- Accurate results
- No registration required
- Works on all devices
Enter a time and reference zone to see the equivalent time in several major world time zones at once.
Use 24-hour HH:MM format, e.g. 09:00 or 21:30.
Your result
12:00
India (IST)
UTC06:30
US East (EST)01:30
US West (PST)22:30 (-1 day)
Central Europe (CET)07:30
Japan (JST)15:30
Australia East (AEST)16:30
AI explanation
Formula
Each zone's time = reference time + (that zone's UTC offset − reference zone's UTC offset)Worked example
12:00 PM IST
| Field | Value |
|---|---|
| Reference time (24-hour) | 12:00 |
| Reference time zone | ist |
| India (IST) | 12:00 |
| UTC | 06:30 |
| US East (EST) | 01:30 |
| US West (PST) | 22:30 (-1 day) |
| Central Europe (CET) | 07:30 |
| Japan (JST) | 15:30 |
| Australia East (AEST) | 16:30 |
Assumptions
- Uses each zone's standard-time UTC offset, not adjusted for daylight saving time, the same simplification used by the Time Zone Converter.
Frequently asked questions
Does this show live, real-time clocks?
No — enter a specific reference time and zone, and it shows the equivalent time in each other zone at that same moment. It doesn't auto-update with the current time.
Does this account for daylight saving time?
No — it uses each zone's standard-time offset year-round, the same simplification used by the Time Zone Converter.
I only need to convert between two specific zones — is there a simpler tool?
Yes — see the Time Zone Converter for a single from/to zone conversion.