São Paulo and Tokyo working-hours overlap
On Monday, 28 September 2026, São Paulo is 12 hours behind Tokyo — UTC-03:00 against UTC+09:00. They share no working hours that day at all: São Paulo works 12:00–20:00 UTC and Tokyo works 00:00–08:00 UTC, and those two windows do not meet. Neither São Paulo nor Tokyo changes clocks, so this window is the same all year.
Every figure on this page describes Monday, 28 September 2026 — a fixed day, not the day you are reading it. Working hours are 09:00–17:00 local time for both cities; change either, or pick another date, in the overlap calculator.
Shared working hours
No shared working hours on this date.
On this date the two working days do not meet, and none of the twelve months sampled for the year brings them together. Widening one side’s hours is what would change it; no other date will find a window that is not there.
Each city's working day
| City | Local hours | In UTC | Offset | Next clock change |
|---|---|---|---|---|
| São Paulo | 09:00–17:00 | 12:00–20:00 UTC | UTC-03:00 | No daylight saving |
| Tokyo | 09:00–17:00 | 00:00–08:00 UTC | UTC+09:00 | No daylight saving |
Is there any overlap through the year?
Neither São Paulo nor Tokyo changes clocks, so the gap between them is constant. In the twelve months sampled the two working days never meet, so there is no window to move.
| Month | Shared window | Length |
|---|---|---|
| 2026-10 | No shared hours | — |
| 2026-11 | No shared hours | — |
| 2026-12 | No shared hours | — |
| 2027-01 | No shared hours | — |
| 2027-02 | No shared hours | — |
| 2027-03 | No shared hours | — |
| 2027-04 | No shared hours | — |
| 2027-05 | No shared hours | — |
| 2027-06 | No shared hours | — |
| 2027-07 | No shared hours | — |
| 2027-08 | No shared hours | — |
| 2027-09 | No shared hours | — |
Questions
- Is there any time São Paulo and Tokyo are both at work?
- Not on Monday, 28 September 2026. São Paulo works 12:00–20:00 UTC and Tokyo works 00:00–08:00 UTC, and those windows do not overlap. Widening one side's hours or choosing another date is what changes that.
- How far apart are São Paulo and Tokyo?
- On Monday, 28 September 2026, São Paulo is 12 hours behind Tokyo — UTC-03:00 against UTC+09:00. Neither São Paulo nor Tokyo changes clocks, so this window is the same all year.
- Does the overlap between São Paulo and Tokyo change through the year?
- There is no month in the twelve months from Monday, 28 September 2026 when São Paulo and Tokyo are both inside their working hours. Neither São Paulo nor Tokyo changes clocks, so this window is the same all year.
Related city pairs
- Honolulu and São Paulo
- Honolulu and Tokyo
- San Francisco and São Paulo
- San Francisco and Tokyo
- Denver and São Paulo
- Denver and Tokyo
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.