The time difference between Honolulu and Hong Kong is 18 hours. When it is 12:00 noon in Honolulu, it is 06:00 in Hong Kong. Honolulu uses the Pacific/Honolulu time zone (UTC-10), while Hong Kong uses Asia/Hong_Kong (UTC+8).
With a 18 hours gap, there is no standard business-hours overlap between Honolulu and Hong Kong. One party will need to adjust their schedule. Early mornings in Hong Kong or late evenings in Honolulu tend to be the most practical compromise.
Use this table to quickly convert any hour from Honolulu time to Hong Kong time. Rows highlighted in green indicate overlapping business hours in both cities.
| Honolulu | Hong Kong | |
|---|---|---|
| 00:00 | 18:00 | Night |
| 01:00 | 19:00 | Night |
| 02:00 | 20:00 | Night |
| 03:00 | 21:00 | Night |
| 04:00 | 22:00 | Night |
| 05:00 | 23:00 | Night |
| 06:00 | 00:00 (+1 day) | |
| 07:00 | 01:00 (+1 day) | |
| 08:00 | 02:00 (+1 day) | |
| 09:00 | 03:00 (+1 day) | |
| 10:00 | 04:00 (+1 day) | |
| 11:00 | 05:00 (+1 day) | |
| 12:00 | 06:00 (+1 day) | |
| 13:00 | 07:00 (+1 day) | |
| 14:00 | 08:00 (+1 day) | |
| 15:00 | 09:00 (+1 day) | Overlap |
| 16:00 | 10:00 (+1 day) | Overlap |
| 17:00 | 11:00 (+1 day) | |
| 18:00 | 12:00 (+1 day) | |
| 19:00 | 13:00 (+1 day) | |
| 20:00 | 14:00 (+1 day) | |
| 21:00 | 15:00 (+1 day) | |
| 22:00 | 16:00 (+1 day) | Night |
| 23:00 | 17:00 (+1 day) | Night |
Neither Honolulu nor Hong Kong is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.
The time difference is 18 hours. Hong Kong is 18 hours ahead of Honolulu.
It can. If either Honolulu or Hong Kong observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Add 18 hours to Honolulu time to get Hong Kong time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.