London to Imperatriz: time difference
Imperatriz is 3 h behind London. 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.
London 00:44 12:44 AM Imperatriz 21:44 9:44 PM You –:–
00:44 12:44 AM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
21:44 9:44 PM
Brasilia Standard Time · UTC-3
☀️ 05:45 · 🌙 18:04
·
−3 h
Imperatriz is 3 h behind London.
When you, London and Imperatriz are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇧 London
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
🇧🇷 Imperatriz
21 9 PM 22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 London | 🇧🇷 Imperatriz |
|---|---|---|
| Local time | 00:44 | 21:44 |
| Local date | Friday, November 6, 2026 | Thursday, November 5, 2026 |
| Time zone | Greenwich Mean Time | Brasilia Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from London | — | −3 h |
| IANA zone | Europe/London | America/Fortaleza |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:03 | 05:45 |
| Sunset | 16:27 | 18:04 |
| Daylight | 9 h 24 min | 12 h 19 min |
| People on this clock | 8,908,083 | 273,110 |
Compare London with another city
More comparisons with London: the time zones next to it and the far side of the clock.
Big time differences
London and Imperatriz: common questions
How far behind London is Imperatriz?
Imperatriz is 3 hours behind London: UTC−3 against UTC+0.
What time is it in Imperatriz at the start of the working day in London?
The working day in London starts at 9:00 AM; in Imperatriz it is 6:00 AM at that moment.
What time is it in Imperatriz at the end of the working day in London?
The working day in London ends at 6:00 PM; in Imperatriz it is 3:00 PM at that moment.
When is a good time to call Imperatriz from London?
Between 12:00 PM and 6:00 PM in London – that is 9:00 AM to 3:00 PM in Imperatriz – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Imperatriz compared with London?
The new day starts in Imperatriz later: until 3:00 AM in London, it is still the previous day there. From 9:00 PM in Imperatriz, London is already on the next day.
Does the time difference between London and Imperatriz change?
Yes. The clocks change only in London. From March 28, 2027, Imperatriz will be 4 hours behind London.
