The time difference between Oslo and San Francisco is 9 hours. When it is 12:00 noon in Oslo, it is 03:00 in San Francisco. Oslo uses the Europe/Oslo time zone (UTC+2), while San Francisco uses America/Los_Angeles (UTC-7).
| Detail | Oslo | San Francisco |
|---|---|---|
| Time Zone ID | Europe/Oslo | America/Los_Angeles |
| UTC Offset | UTC+2 | UTC-7 |
| Abbreviation | CEST | PDT |
| DST Active | Yes — currently observing | Yes — currently observing |
| Country | Norway | United States |
| Region | Europe | North America |
With a 9 hours gap, there is no standard business-hours overlap between Oslo and San Francisco. One party will need to adjust their schedule. Early mornings in Oslo or late evenings in San Francisco tend to be the most practical compromise.
Use this table to quickly convert any hour from Oslo time to San Francisco time. Rows highlighted in green indicate overlapping business hours in both cities.
| Oslo | San Francisco | |
|---|---|---|
| 00:00 | 15:00 (-1 day) | Night |
| 01:00 | 16:00 (-1 day) | Night |
| 02:00 | 17:00 (-1 day) | Night |
| 03:00 | 18:00 (-1 day) | Night |
| 04:00 | 19:00 (-1 day) | Night |
| 05:00 | 20:00 (-1 day) | Night |
| 06:00 | 21:00 (-1 day) | |
| 07:00 | 22:00 (-1 day) | |
| 08:00 | 23:00 (-1 day) | |
| 09:00 | 00:00 | |
| 10:00 | 01:00 | |
| 11:00 | 02:00 | |
| 12:00 | 03:00 | |
| 13:00 | 04:00 | |
| 14:00 | 05:00 | |
| 15:00 | 06:00 | |
| 16:00 | 07:00 | |
| 17:00 | 08:00 | |
| 18:00 | 09:00 | |
| 19:00 | 10:00 | |
| 20:00 | 11:00 | |
| 21:00 | 12:00 | |
| 22:00 | 13:00 | Night |
| 23:00 | 14:00 | Night |
Both Oslo and San Francisco are currently observing daylight saving time. The current 9 hours difference reflects both cities' DST offsets. When one city switches back to standard time before the other, the gap will temporarily change by 1 hour.
The time difference is 9 hours. San Francisco is 9 hours behind Oslo.
Yes. Both cities observe daylight saving time, but they may switch on different dates, causing the gap to shift by 1 hour temporarily.
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 9 hours from Oslo 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.