Who uses UTC
| IANA time zone | Uses UTC | Main cities |
|---|---|---|
| Etc/UTC | All year |
UTC to UTC, GMT and other zones
UTC is a fixed offset, so these conversions do not change with the seasons. What changes is which abbreviation a region is using on a given date.
| Zone | UTC offset | When it is 12:00 UTC |
|---|---|---|
| UTC | UTC+0 | 12:00 PM |
| GMT | UTC+0 | 12:00 PM |
| EST | UTC−5 | 7:00 AM |
| EDT | UTC−4 | 8:00 AM |
| CST | UTC−6 | 6:00 AM |
| MST | UTC−7 | 5:00 AM |
| PST | UTC−8 | 4:00 AM |
| CET | UTC+1 | 1:00 PM |
| CEST | UTC+2 | 2:00 PM |
| EET | UTC+2 | 2:00 PM |
| MSK | UTC+3 | 3:00 PM |
| GST | UTC+4 | 4:00 PM |
| IST | UTC+5:30 | 5:30 PM |
| ICT | UTC+7 | 7:00 PM |
| JST | UTC+9 | 9:00 PM |
| AEST | UTC+10 | 10:00 PM |
| AEDT | UTC+11 | 11:00 PM |
Plan around the time in UTC
- Convert a time to or from UTC: pick a date and time and see it in every city on your list.
- Add Etc/UTC to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in UTC and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What is UTC in UTC?
UTC is UTC+0. To get UTC, nothing changes: UTC and UTC show the same time.
What time is 12:00 UTC in UTC?
12:00 UTC is 12:00 PM UTC.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.