The time difference between San Francisco and Bangkok is 15 hours. When it is 12:00 noon in San Francisco, it is 03:00 in Bangkok. San Francisco uses the America/Los_Angeles time zone (UTC-8), while Bangkok uses Asia/Bangkok (UTC+7).
| Detail | San Francisco | Bangkok |
|---|---|---|
| Time Zone ID | America/Los_Angeles | Asia/Bangkok |
| UTC Offset | UTC-8 | UTC+7 |
| Abbreviation | PST | +07 |
| DST Active | No | No |
| Country | United States | Thailand |
| Region | North America | Asia |
With a 15 hours gap, there is no standard business-hours overlap between San Francisco and Bangkok. One party will need to adjust their schedule. Early mornings in Bangkok or late evenings in San Francisco tend to be the most practical compromise.
Use this table to quickly convert any hour from San Francisco time to Bangkok time. Rows highlighted in green indicate overlapping business hours in both cities.
| San Francisco | Bangkok | |
|---|---|---|
| 00:00 | 15:00 | Night |
| 01:00 | 16:00 | Night |
| 02:00 | 17:00 | Night |
| 03:00 | 18:00 | Night |
| 04:00 | 19:00 | Night |
| 05:00 | 20:00 | Night |
| 06:00 | 21:00 | |
| 07:00 | 22:00 | |
| 08:00 | 23:00 | |
| 09:00 | 00:00 (+1 day) | |
| 10:00 | 01:00 (+1 day) | |
| 11:00 | 02:00 (+1 day) | |
| 12:00 | 03:00 (+1 day) | |
| 13:00 | 04:00 (+1 day) | |
| 14:00 | 05:00 (+1 day) | |
| 15:00 | 06:00 (+1 day) | |
| 16:00 | 07:00 (+1 day) | |
| 17:00 | 08:00 (+1 day) | |
| 18:00 | 09:00 (+1 day) | |
| 19:00 | 10:00 (+1 day) | |
| 20:00 | 11:00 (+1 day) | |
| 21:00 | 12:00 (+1 day) | |
| 22:00 | 13:00 (+1 day) | Night |
| 23:00 | 14:00 (+1 day) | Night |
Neither San Francisco nor Bangkok 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 15 hours. Bangkok is 15 hours ahead of San Francisco.
It can. If either San Francisco or Bangkok 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.
Add 15 hours to San Francisco time to get Bangkok 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.