Time difference between Sydney and Atka
Atka (UTC-09:00, HADT) is 20h behind Sydney (UTC+11:00, GMT+11). Working hours overlap for 4 hours: 11:00–11:00 in Sydney is 15:00–15:00 in Atka.
Daylight saving time and clock changes
| City | Zone | Current offset | DST now | Next clock change |
|---|---|---|---|---|
| Sydney | Australia/Sydney | UTC+11:00 · GMT+11 | In effect | — clocks go back to UTC+10:00 |
| Atka | America/Adak | UTC-09:00 · HADT | In effect | — clocks go back to UTC-10:00 |
Because at least one of these cities changes its clocks, the difference between them is not the same all year.
Hour by hour comparison
| Sydney | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Atka | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 |
Working hours overlap for 4 hours: 11:00–11:00 in Sydney is 15:00–15:00 in Atka.
Both cities on the map
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