Time difference between Hong Kong and Sun Valley
Sun Valley is 15 hours behind Hong Kong.
Local time in both cities
Hong Kong · China
06:11
ChinaSun Valley · United States
15:11
United StatesSun Valley is 15 hours behind Hong Kong.
still the previous day
Time zones
| Hong Kong | Asia/Hong_Kong · UTC+08:00 |
|---|---|
| Sun Valley | America/Los_Angeles · UTC-07:00 |
Hong Kong does not observe daylight saving and stays on UTC+08:00 all year.
Sun Valley is currently on daylight saving time (UTC-07:00). Next change: 2026-11-01 01:00.
Hour-by-hour conversion
Calculated for 2026-09-22 local time in Hong Kong. The two places start and end daylight saving on different dates, so another day can give a different result.
| Hong Kong (source) | Sun Valley (target) |
|---|---|
| 00:00 | 09:00 prev day |
| 01:00 | 10:00 prev day |
| 02:00 | 11:00 prev day |
| 03:00 | 12:00 prev day |
| 04:00 | 13:00 prev day |
| 05:00 | 14:00 prev day |
| 06:00 | 15:00 prev day |
| 07:00 | 16:00 prev day |
| 08:00 | 17:00 prev day |
| 09:00 | 18:00 prev day |
| 10:00 | 19:00 prev day |
| 11:00 | 20:00 prev day |
| 12:00 | 21:00 prev day |
| 13:00 | 22:00 prev day |
| 14:00 | 23:00 prev day |
| 15:00 | 00:00 |
| 16:00 | 01:00 |
| 17:00 | 02:00 |
| 18:00 | 03:00 |
| 19:00 | 04:00 |
| 20:00 | 05:00 |
| 21:00 | 06:00 |
| 22:00 | 07:00 |
| 23:00 | 08:00 |
Other common differences from Hong Kong
FAQ
- How many hours apart are Hong Kong and Sun Valley right now?
- The answer at the top of the page is calculated for the current moment and states which side is ahead. The gap changes during the year, because the two places usually start and end daylight saving on different dates.
- Is this difference the same all year?
- Not necessarily. Hong Kong uses Asia/Hong_Kong and Sun Valley uses America/Los_Angeles; if either observes daylight saving, the gap shifts during the year. Use “Convert a specific date and time” below to calculate it for a given day.
- How do I read the conversion table?
- The left column lists each whole hour in Hong Kong; the right column is the local time in Sun Valley at that same instant, with date rollovers marked. On the day clocks jump forward, some hours do not exist locally — the table says so instead of showing a plausible but wrong value.