The time difference between San Francisco and Sao Paulo is 4 hours. When it is 12:00 noon in San Francisco, it is 16:00 in Sao Paulo. San Francisco uses the America/Los_Angeles time zone (UTC-7), while Sao Paulo uses America/Sao_Paulo (UTC-3).
| Detail | San Francisco | Sao Paulo |
|---|---|---|
| Time Zone ID | America/Los_Angeles | America/Sao_Paulo |
| UTC Offset | UTC-7 | UTC-3 |
| Abbreviation | PDT | -03 |
| DST Active | Yes — currently observing | No |
| Country | United States | Brazil |
| Region | North America | South America |
There are 4 overlapping business hours between San Francisco and Sao Paulo (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:
Use this table to quickly convert any hour from San Francisco time to Sao Paulo time. Rows highlighted in green indicate overlapping business hours in both cities.
| San Francisco | Sao Paulo | |
|---|---|---|
| 00:00 | 04:00 | Night |
| 01:00 | 05:00 | Night |
| 02:00 | 06:00 | Night |
| 03:00 | 07:00 | Night |
| 04:00 | 08:00 | Night |
| 05:00 | 09:00 | Night |
| 06:00 | 10:00 | |
| 07:00 | 11:00 | |
| 08:00 | 12:00 | |
| 09:00 | 13:00 | Overlap |
| 10:00 | 14:00 | Overlap |
| 11:00 | 15:00 | Overlap |
| 12:00 | 16:00 | Overlap |
| 13:00 | 17:00 | |
| 14:00 | 18:00 | |
| 15:00 | 19:00 | |
| 16:00 | 20:00 | |
| 17:00 | 21:00 | |
| 18:00 | 22:00 | |
| 19:00 | 23:00 | |
| 20:00 | 00:00 (+1 day) | |
| 21:00 | 01:00 (+1 day) | |
| 22:00 | 02:00 (+1 day) | Night |
| 23:00 | 03:00 (+1 day) | Night |
San Francisco is currently observing daylight saving time, while Sao Paulo is on standard time. When San Francisco switches back to standard time, the difference between these two cities will shift by 1 hour.
The time difference is 4 hours. Sao Paulo is 4 hours ahead of San Francisco.
Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.
The best window is between 09:00 and 13:00 San Francisco time, which corresponds to 13:00–17:00 in Sao Paulo. Both sides fall within normal business hours.
Add 4 hours to San Francisco time to get Sao Paulo 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.