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