Time difference between San Antonio and Hong Kong
Hong Kong is 13 hours ahead of San Antonio.
Local time in both cities
San Antonio · United States
10:17
Hong Kong · China
23:17
Hong Kong is 13 hours ahead of San Antonio.
same day
Time zones
| San Antonio | America/Chicago · UTC-05:00 |
|---|---|
| Hong Kong | Asia/Hong_Kong · UTC+08:00 |
San Antonio is currently on daylight saving time (UTC-05:00). Next change: 2026-11-01 01:00.
Hong Kong does not observe daylight saving and stays on UTC+08:00 all year.
Hour-by-hour conversion
Calculated for 2026-09-21 local time in San Antonio. The two places start and end daylight saving on different dates, so another day can give a different result.
| San Antonio (source) | Hong Kong (target) |
|---|---|
| 00:00 | 13:00 |
| 01:00 | 14:00 |
| 02:00 | 15:00 |
| 03:00 | 16:00 |
| 04:00 | 17:00 |
| 05:00 | 18:00 |
| 06:00 | 19:00 |
| 07:00 | 20:00 |
| 08:00 | 21:00 |
| 09:00 | 22:00 |
| 10:00 | 23:00 |
| 11:00 | 00:00 next day |
| 12:00 | 01:00 next day |
| 13:00 | 02:00 next day |
| 14:00 | 03:00 next day |
| 15:00 | 04:00 next day |
| 16:00 | 05:00 next day |
| 17:00 | 06:00 next day |
| 18:00 | 07:00 next day |
| 19:00 | 08:00 next day |
| 20:00 | 09:00 next day |
| 21:00 | 10:00 next day |
| 22:00 | 11:00 next day |
| 23:00 | 12:00 next day |
Other common differences from San Antonio
FAQ
- How many hours apart are San Antonio and Hong Kong 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. San Antonio uses America/Chicago and Hong Kong uses Asia/Hong_Kong; 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 San Antonio; the right column is the local time in Hong Kong 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.