São Paulo and London working-hours overlap
On Monday, 28 September 2026, São Paulo is 4 hours behind London — UTC-03:00 against UTC+01:00. Their working hours overlap for 4 hours that day, between 12:00–16:00 UTC — 09:00–13:00 in São Paulo and 13:00–17:00 in London. São Paulo does not change clocks at all. London changes clocks on Sunday, 25 October 2026, and the gap between them goes from 4 hours to 3 hours.
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
Everyone is at work between 12:00–16:00 UTC — 4 hours.
| City | Local time | Offset |
|---|---|---|
| São Paulo | 09:00–13:00 | UTC-03:00 |
| London | 13:00–17:00 | UTC+01:00 |
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 |
| London | 09:00–17:00 | 08:00–16:00 UTC | UTC+01:00 | UTC+01:00 → UTC+00:00, 25 Oct 2026 |
How the shared window moves through the year
London changes clocks on Sunday, 25 October 2026, and São Paulo never does, so the gap between them moves only when London's clocks do. Each row is the same pair of working days, sampled once a month, so the window's size and position follow the clock changes described above.
| Month | Shared window | Length |
|---|---|---|
| 2026-10 | 12:00–16:00 UTC | 4 hours |
| 2026-11 | 12:00–17:00 UTC | 5 hours |
| 2026-12 | 12:00–17:00 UTC | 5 hours |
| 2027-01 | 12:00–17:00 UTC | 5 hours |
| 2027-02 | 12:00–17:00 UTC | 5 hours |
| 2027-03 | 12:00–17:00 UTC | 5 hours |
| 2027-04 | 12:00–16:00 UTC | 4 hours |
| 2027-05 | 12:00–16:00 UTC | 4 hours |
| 2027-06 | 12:00–16:00 UTC | 4 hours |
| 2027-07 | 12:00–16:00 UTC | 4 hours |
| 2027-08 | 12:00–16:00 UTC | 4 hours |
| 2027-09 | 12:00–16:00 UTC | 4 hours |
Questions
- What time can São Paulo and London meet?
- 12:00–16:00 UTC on Monday, 28 September 2026 — 4 hours. In São Paulo that is 09:00–13:00, and in London it is 13:00–17:00.
- How far apart are São Paulo and London?
- On Monday, 28 September 2026, São Paulo is 4 hours behind London — UTC-03:00 against UTC+01:00. São Paulo does not change clocks at all. London changes clocks on Sunday, 25 October 2026, and the gap between them goes from 4 hours to 3 hours.
- Does the overlap between São Paulo and London change through the year?
- London changes clocks on Sunday, 25 October 2026, and São Paulo never does, so the gap between them moves only when London's clocks do. Sampled once a month across the twelve months from Monday, 28 September 2026 the window is 12:00–16:00 UTC, 12:00–17:00 UTC.
Related city pairs
- Honolulu and São Paulo
- Honolulu and London
- San Francisco and São Paulo
- San Francisco and London
- Denver and São Paulo
- Denver and London
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.