Time difference between Honolulu and Shanghai: 18 hours
Honolulu
United States (Hawaii) · UTC-10
--:--:--
Shanghai
China · UTC+8
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Honolulu is 18 hours behind Shanghai
Best time for a call or meeting
Honolulu 15:00–18:00 = Shanghai 09:00–12:00
Both cities are within business hours (9:00–18:00).
Convert a specific time
→ Shanghai
Hour-by-hour conversion
| Honolulu | Shanghai |
|---|---|
| 00:00 | 18:00 |
| 01:00 | 19:00 |
| 02:00 | 20:00 |
| 03:00 | 21:00 |
| 04:00 | 22:00 |
| 05:00 | 23:00 |
| 06:00 | 00:00 |
| 07:00 | 01:00 |
| 08:00 | 02:00 |
| 09:00 | 03:00 |
| 10:00 | 04:00 |
| 11:00 | 05:00 |
| 12:00 | 06:00 |
| 13:00 | 07:00 |
| 14:00 | 08:00 |
| 15:00 | 09:00 |
| 16:00 | 10:00 |
| 17:00 | 11:00 |
| 18:00 | 12:00 |
| 19:00 | 13:00 |
| 20:00 | 14:00 |
| 21:00 | 15:00 |
| 22:00 | 16:00 |
| 23:00 | 17:00 |
Business hours 9–18 Waking hours 7–22 Night / early morning
Daylight saving time can change the difference by season. Shown values reflect the current offset.
Frequently asked questions
How many hours is the time difference between Honolulu and Shanghai?
Honolulu is 18 hours behind Shanghai. When it is 12:00 noon in Honolulu, it is 06:00 (next day) in Shanghai.
Does daylight saving time affect the difference?
No. Neither place observes daylight saving time, so the difference stays the same all year.
What is the best time for a call or meeting?
Honolulu 15:00–18:00 = Shanghai 09:00–12:00. Both cities are within business hours (9:00–18:00).
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