🇩🇿 Constantine, Algeria
15
- Central European Standard Time
- UTC+1
- Night
☀️ 07:01 · 🌙 17:35 · 10 h 34 min
Constantine to Lisbon: time difference
Lisbon is 1 h behind Constantine. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇵🇹 Lisbon, Portugal
15
- Western European Standard Time
- UTC+0
- Twilight
☀️ 07:08 · 🌙 17:34 · 10 h 25 min
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Constantine 18:54 6:54 PM Lisbon 17:54 5:54 PM You –:–
18:54 6:54 PM
Central European Standard Time · UTC+1
☀️ 07:01 · 🌙 17:35
17:54 5:54 PM
Western European Standard Time · UTC+0
☀️ 07:08 · 🌙 17:34
·
−1 h
Lisbon is 1 h behind Constantine.
When you, Constantine and Lisbon 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
🇵🇹 Lisbon
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 | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 18:54 | 17:54 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Central European Standard Time | Western European Standard Time |
| UTC offset | UTC+1 | UTC+0 |
| Offset from Constantine | — | −1 h |
| IANA zone | Africa/Algiers | Europe/Lisbon |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 07:01 | 07:08 |
| Sunset | 17:35 | 17:34 |
| Daylight | 10 h 34 min | 10 h 25 min |
| People on this clock | 448,374 | 545,923 |
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 Lisbon: common questions
How far behind Constantine is Lisbon?
Lisbon is 1 hour behind Constantine: UTC+0 against UTC+1.
If it is 9:00 AM in Constantine, what time is it in Lisbon?
At 9:00 AM in Constantine, clocks in Lisbon show 8:00 AM.
What time is it in Lisbon when it is 6:00 PM in Constantine?
When it is 6:00 PM in Constantine, it is 5:00 PM in Lisbon.
Is there a time when both Constantine and Lisbon are at work?
Yes: from 10:00 AM to 6:00 PM in Constantine (9:00 AM to 5:00 PM in Lisbon), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Lisbon?
Until 1:00 AM in Constantine it is still the previous day in Lisbon. The other way round, from 11:00 PM in Lisbon it is already the next day in Constantine.
Does the time gap between Constantine and Lisbon change during the year?
Yes – daylight saving time is used in Lisbon but not in Constantine. From March 28, 2027, Lisbon and Constantine will have the same time.
