Time difference between Hong Kong and Mount Prospect
Mount Prospect is 13 hours behind Hong Kong.
Local time in both cities
Hong Kong · China
00:51
ChinaMount Prospect · United States
11:51
United StatesMount Prospect is 13 hours behind Hong Kong.
still the previous day
Time zones
| Hong Kong | Asia/Hong_Kong · UTC+08:00 |
|---|---|
| Mount Prospect | America/Chicago · UTC-05:00 |
Hong Kong does not observe daylight saving and stays on UTC+08:00 all year.
Mount Prospect is currently on daylight saving time (UTC-05:00). 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) | Mount Prospect (target) |
|---|---|
| 00:00 | 11:00 prev day |
| 01:00 | 12:00 prev day |
| 02:00 | 13:00 prev day |
| 03:00 | 14:00 prev day |
| 04:00 | 15:00 prev day |
| 05:00 | 16:00 prev day |
| 06:00 | 17:00 prev day |
| 07:00 | 18:00 prev day |
| 08:00 | 19:00 prev day |
| 09:00 | 20:00 prev day |
| 10:00 | 21:00 prev day |
| 11:00 | 22:00 prev day |
| 12:00 | 23:00 prev day |
| 13:00 | 00:00 |
| 14:00 | 01:00 |
| 15:00 | 02:00 |
| 16:00 | 03:00 |
| 17:00 | 04:00 |
| 18:00 | 05:00 |
| 19:00 | 06:00 |
| 20:00 | 07:00 |
| 21:00 | 08:00 |
| 22:00 | 09:00 |
| 23:00 | 10:00 |
Other common differences from Hong Kong
FAQ
- How many hours apart are Hong Kong and Mount Prospect 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 Mount Prospect uses America/Chicago; 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 Mount Prospect 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.