Niteroi to London: time difference
London is 3 h ahead of Niteroi. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Niteroi 19:55 7:55 PM London 22:55 10:55 PM You –:–
19:55 7:55 PM
Brasilia Standard Time · UTC-3
☀️ 05:06 · 🌙 18:08
22:55 10:55 PM
Greenwich Mean Time · UTC+0
☀️ 07:01 · 🌙 16:28
·
+3 h
London is 3 h ahead of Niteroi.
When you, Niteroi and London are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Niteroi
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇬🇧 London
3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Niteroi | 🇬🇧 London |
|---|---|---|
| Local time | 19:55 | 22:55 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Niteroi | — | +3 h |
| IANA zone | America/Sao Paulo | Europe/London |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:06 | 07:01 |
| Sunset | 18:08 | 16:28 |
| Daylight | 13 h 2 min | 9 h 27 min |
| People on this clock | 481,749 | 8,908,083 |
Compare Niteroi with another city
More comparisons with Niteroi: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Niteroi and London: common questions
How many hours ahead of Niteroi is London?
The clocks in London are 3 hours ahead of those in Niteroi (UTC+0 and UTC−3).
If it is 9:00 AM in Niteroi, what time is it in London?
At 9:00 AM in Niteroi, clocks in London show 12:00 PM.
What time is it in London when it is 6:00 PM in Niteroi?
When it is 6:00 PM in Niteroi, it is 9:00 PM in London.
When do working hours in Niteroi and in London overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Niteroi, which is 12:00 PM to 6:00 PM in London.
When is it already the next day in London?
From 9:00 PM in Niteroi it is already the next day in London. The other way round, until 3:00 AM in London it is still the previous day in Niteroi.
Does the time difference between Niteroi and London change?
Yes. The clocks change only in London. From March 28, 2027, London will be 4 hours ahead of Niteroi.
