Time Difference Between São Francisco and Tokyo
Tokyo is 12 hours ahead São Francisco.
Brazil
São Francisco
America/Sao_Paulo · UTC-3
Japan
Tokyo
Asia/Tokyo · UTC+9
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both São Francisco and Tokyo.
Standard working hours don't overlap between São Francisco and Tokyo. Consider early-morning calls in São Francisco or late-evening calls in Tokyo.
São Francisco to Tokyo — 24-Hour Conversion
Each row shows the equivalent local time in Tokyo for an hour in São Francisco. Working-hours rows (9–18) are highlighted.
| São Francisco | Tokyo | Match |
|---|---|---|
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Workday in São Francisco | ||
| Workday in São Francisco | ||
| Workday in São Francisco | ||
| +1 day | Workday in São Francisco | |
| +1 day | Workday in São Francisco | |
| +1 day | Workday in São Francisco | |
| +1 day | Workday in São Francisco | |
| +1 day | Workday in São Francisco | |
| +1 day | Workday in São Francisco | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Workday in Tokyo | |
| +1 day | Workday in Tokyo | |
| +1 day | Workday in Tokyo |
Frequently Asked Questions
What is the time difference between São Francisco and Tokyo?
Tokyo, Japan (UTC+9) is 12 hours ahead São Francisco, Brazil (UTC-3).
What is the best time to schedule a meeting between São Francisco and Tokyo?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between São Francisco and Tokyo?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in São Francisco, what time is it in Tokyo?
Use the conversion table on this page — every hour in São Francisco is mapped to its equivalent local time in Tokyo, including day shift markers when the date differs.