What Time Zone Is Antarctica?
Antarctica uses 8 time zones: UTC+8 (UTC+8), UTC+7 (UTC+7), UTC+5 (UTC+5), UTC−3 (UTC−3), UTC+0 (UTC+0), UTC+3 (UTC+3), NZDT (UTC+13), ChST (UTC+10).
Time zones in Antarctica
| Time zone | Offset now | Local time | Main areas |
|---|---|---|---|
| Australian Western Standard Time (UTC+8) | UTC+8 | --:-- | Antarctica/Casey |
| Davis Time (UTC+7) | UTC+7 | --:-- | Antarctica/Davis |
| Mawson Time (UTC+5) | UTC+5 | --:-- | Antarctica/Mawson |
| GMT-03:00 (UTC−3) | UTC−3 | --:-- | Antarctica/Palmer |
| Greenwich Mean Time (UTC+0) | UTC+0 | --:-- | Antarctica/Troll |
| Arabian Standard Time (UTC+3) | UTC+3 | --:-- | Asia/Riyadh |
| New Zealand Daylight Time (NZDT) | UTC+13 | --:-- | Pacific/Auckland |
| Papua New Guinea Time (ChST) | UTC+10 | --:-- | Pacific/Port_Moresby |
Convert Antarctica time
Main time zone of Antarctica
| Time zone | Australian Western Standard Time |
|---|---|
| Abbreviation | UTC+8 |
| UTC offset | UTC+8 |
| IANA time zone id | Antarctica/Casey |
| Daylight saving time | Not observed |
Daylight saving time in Antarctica
Antarctica does not observe daylight saving time. The clocks stay on UTC+8 all year, so conversions never shift.
Antarctica time zone FAQ
What time zone is Antarctica in?
Antarctica spans 8 time zones: UTC+8 (UTC+8), UTC+7 (UTC+7), UTC+5 (UTC+5), UTC−3 (UTC−3), UTC+0 (UTC+0), UTC+3 (UTC+3), NZDT (UTC+13), ChST (UTC+10).
Which areas of Antarctica use each time zone?
UTC+8: Antarctica/Casey. UTC+7: Antarctica/Davis. UTC+5: Antarctica/Mawson. UTC−3: Antarctica/Palmer. UTC+0: Antarctica/Troll. UTC+3: Asia/Riyadh. NZDT: Pacific/Auckland. ChST: Pacific/Port_Moresby
Does all of Antarctica observe daylight saving time?
No. UTC+0, NZDT change, while UTC+8, UTC+7, UTC+5, UTC−3, UTC+3, ChST stay the same all year.
Updated 7 November 2026. Time zone data: IANA tz database.