🇩🇿 Constantine, Algeria
42
- Central European Standard Time
- UTC+1
- Night
☀️ 07:01 · 🌙 17:35 · 10 h 34 min
Constantine to London: time difference
London is 1 h behind Constantine. 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.
Constantine 18:48 6:48 PM London 17:48 5:48 PM You –:–
18:48 6:48 PM
Central European Standard Time · UTC+1
☀️ 07:01 · 🌙 17:35
17:48 5:48 PM
Greenwich Mean Time · UTC+0
☀️ 07:01 · 🌙 16:28
·
−1 h
London is 1 h behind Constantine.
When you, Constantine 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
🇩🇿 Constantine
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
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇩🇿 Constantine | 🇬🇧 London |
|---|---|---|
| Local time | 18:48 | 17:48 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Central European Standard Time | Greenwich Mean Time |
| UTC offset | UTC+1 | UTC+0 |
| Offset from Constantine | — | −1 h |
| IANA zone | Africa/Algiers | Europe/London |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 07:01 | 07:01 |
| Sunset | 17:35 | 16:28 |
| Daylight | 10 h 34 min | 9 h 27 min |
| People on this clock | 448,374 | 8,908,083 |
Compare Constantine with another city
More comparisons with Constantine: the time zones next to it and the far side of the clock.
Big time differences
Constantine and London: common questions
How far behind Constantine is London?
London is 1 hour behind Constantine: UTC+0 against UTC+1.
What time is it in London when it is 9:00 AM in Constantine?
When it is 9:00 AM in Constantine, it is 8:00 AM in London.
If it is 6:00 PM in Constantine, what time is it in London?
At 6:00 PM in Constantine, clocks in London show 5:00 PM.
When do working hours in Constantine and in London overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Constantine, which is 9:00 AM to 5:00 PM in London.
When is it still the previous day in London?
Until 1:00 AM in Constantine it is still the previous day in London. The other way round, from 11:00 PM in London it is already the next day in Constantine.
Does the time difference between Constantine and London change?
Yes. The clocks change only in London. From March 28, 2027, London and Constantine will have the same time.
