Time difference between Hong Kong and Qom
Qom (UTC+03:30, GMT+3:30) is 4h 30m behind Hong Kong (UTC+08:00, GMT+8). Working hours overlap for 3 hours: 14:00–17:00 in Hong Kong is 09:30–12:30 in Qom.
Daylight saving time and clock changes
| City | Zone | Current offset | DST now | Next clock change |
|---|---|---|---|---|
| Hong Kong | Asia/Hong_Kong | UTC+08:00 · GMT+8 | Not observed | No clock change scheduled |
| Qom | Asia/Tehran | UTC+03:30 · GMT+3:30 | Not observed | No clock change scheduled |
Neither city changes its clocks, so this difference stays the same all year.
Hour by hour comparison
| Hong Kong | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Qom | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
Working hours overlap for 3 hours: 14:00–17:00 in Hong Kong is 09:30–12:30 in Qom.
Both cities on the map
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