The time difference between Shanghai and San Antonio is 14 hours. When it is 12:00 noon in Shanghai, it is 22:00 in San Antonio. Shanghai uses the Asia/Shanghai time zone (UTC+8), while San Antonio uses America/Chicago (UTC-6).
| Detail | Shanghai | San Antonio |
|---|---|---|
| Time Zone ID | Asia/Shanghai | America/Chicago |
| UTC Offset | UTC+8 | UTC-6 |
| Abbreviation | CST | CST |
| DST Active | No | No |
| Country | China | United States |
| Region | Asia | North America |
With a 14 hours gap, there is no standard business-hours overlap between Shanghai and San Antonio. One party will need to adjust their schedule. Early mornings in Shanghai or late evenings in San Antonio tend to be the most practical compromise.
Use this table to quickly convert any hour from Shanghai time to San Antonio time. Rows highlighted in green indicate overlapping business hours in both cities.
| Shanghai | San Antonio | |
|---|---|---|
| 00:00 | 10:00 (-1 day) | Night |
| 01:00 | 11:00 (-1 day) | Night |
| 02:00 | 12:00 (-1 day) | Night |
| 03:00 | 13:00 (-1 day) | Night |
| 04:00 | 14:00 (-1 day) | Night |
| 05:00 | 15:00 (-1 day) | Night |
| 06:00 | 16:00 (-1 day) | |
| 07:00 | 17:00 (-1 day) | |
| 08:00 | 18:00 (-1 day) | |
| 09:00 | 19:00 (-1 day) | |
| 10:00 | 20:00 (-1 day) | |
| 11:00 | 21:00 (-1 day) | |
| 12:00 | 22:00 (-1 day) | |
| 13:00 | 23:00 (-1 day) | |
| 14:00 | 00:00 | |
| 15:00 | 01:00 | |
| 16:00 | 02:00 | |
| 17:00 | 03:00 | |
| 18:00 | 04:00 | |
| 19:00 | 05:00 | |
| 20:00 | 06:00 | |
| 21:00 | 07:00 | |
| 22:00 | 08:00 | Night |
| 23:00 | 09:00 | Night |
Neither Shanghai nor San Antonio 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 14 hours. San Antonio is 14 hours behind Shanghai.
It can. If either Shanghai or San Antonio 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.
Subtract 14 hours from Shanghai time to get San Antonio 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.