Time Difference Between San Francisco and São Paulo
São Paulo is 4h ahead of San Francisco.
This is the standard-time difference as of 2026. If either city observes daylight saving time, the actual difference can shift by up to an hour for part of the year — the live clocks below always show the current real-time difference.
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Working Hours Overlap
For each hour of San Francisco's working day (9:00-18:00), here is the corresponding local time in São Paulo. Rows highlighted green fall within standard working hours (9:00-18:00) in both cities.
| San Francisco | São Paulo | Both working hours? |
|---|---|---|
| 9 AM | 1 PM | Yes |
| 10 AM | 2 PM | Yes |
| 11 AM | 3 PM | Yes |
| 12 PM | 4 PM | Yes |
| 1 PM | 5 PM | Yes |
| 2 PM | 6 PM | No |
| 3 PM | 7 PM | No |
| 4 PM | 8 PM | No |
| 5 PM | 9 PM | No |
| 6 PM | 10 PM | No |
Best Time to Meet
- 9 AM-2 PM in San Francisco (1 PM-6 PM in São Paulo) works for both sides — it falls within standard 9 AM-6 PM working hours in both time zones.
San Francisco
San Francisco uses the America/Los_Angeles IANA time zone, currently at UTC-7. This zone observes daylight saving time.
São Paulo
São Paulo uses the America/Sao_Paulo IANA time zone, currently at UTC-3. This zone does not observe daylight saving time.