Time difference between London and Porto União
Porto União is 4 hours behind London.
Local time in both cities
London · United Kingdom
21:32
Porto União · Brazil
17:32
Porto União is 4 hours behind London.
same day
Time zones
| London | Europe/London · UTC+01:00 |
|---|---|
| Porto União | America/Sao_Paulo · UTC-03:00 |
London is currently on daylight saving time (UTC+01:00). Next change: 2026-10-25 01:00.
Porto União does not observe daylight saving and stays on UTC-03:00 all year.
Hour-by-hour conversion
Calculated for 2026-09-20 local time in London. The two places start and end daylight saving on different dates, so another day can give a different result.
| London (source) | Porto União (target) |
|---|---|
| 00:00 | 20:00 prev day |
| 01:00 | 21:00 prev day |
| 02:00 | 22:00 prev day |
| 03:00 | 23:00 prev day |
| 04:00 | 00:00 |
| 05:00 | 01:00 |
| 06:00 | 02:00 |
| 07:00 | 03:00 |
| 08:00 | 04:00 |
| 09:00 | 05:00 |
| 10:00 | 06:00 |
| 11:00 | 07:00 |
| 12:00 | 08:00 |
| 13:00 | 09:00 |
| 14:00 | 10:00 |
| 15:00 | 11:00 |
| 16:00 | 12:00 |
| 17:00 | 13:00 |
| 18:00 | 14:00 |
| 19:00 | 15:00 |
| 20:00 | 16:00 |
| 21:00 | 17:00 |
| 22:00 | 18:00 |
| 23:00 | 19:00 |
Other common differences from London
FAQ
- How many hours apart are London and Porto União right now?
- The answer at the top of the page is calculated for the current moment and states which side is ahead. The gap changes during the year, because the two places usually start and end daylight saving on different dates.
- Is this difference the same all year?
- Not necessarily. London uses Europe/London and Porto União uses America/Sao_Paulo; if either observes daylight saving, the gap shifts during the year. Use “Convert a specific date and time” below to calculate it for a given day.
- How do I read the conversion table?
- The left column lists each whole hour in London; the right column is the local time in Porto União at that same instant, with date rollovers marked. On the day clocks jump forward, some hours do not exist locally — the table says so instead of showing a plausible but wrong value.