🇷🇴 Constanta, Romania
46
- Eastern European Summer Time
- UTC+3
- Twilight
☀️ 07:14 · 🌙 18:32 · 11 h 18 min
Constanta to Lisbon: time difference
Lisbon is 2 h behind Constanta. Live clocks for both, the working hours they share, and how each one sits against your own time.
−2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Constanta 06:45 6:45 AM Lisbon 04:45 4:45 AM You –:–
06:45 6:45 AM
Eastern European Summer Time · UTC+3
☀️ 07:14 · 🌙 18:32
04:45 4:45 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
·
−2 h
Lisbon is 2 h behind Constanta.
When you, Constanta 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
🇷🇴 Constanta
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
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 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇷🇴 Constanta | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 06:45 | 04:45 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern European Summer Time | Western European Summer Time |
| UTC offset | UTC+3 | UTC+1 |
| Offset from Constanta | — | −2 h |
| IANA zone | Europe/Bucharest | Europe/Lisbon |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:14 | 07:41 |
| Sunset | 18:32 | 19:07 |
| Daylight | 11 h 18 min | 11 h 26 min |
| People on this clock | 283,872 | 545,923 |
Compare Constanta with another city
More comparisons with Constanta: the time zones next to it and the far side of the clock.
Big time differences
Constanta and Lisbon: common questions
How far behind Constanta is Lisbon?
Lisbon is 2 hours behind Constanta: UTC+1 against UTC+3.
What time is it in Lisbon at the start of the working day in Constanta?
The working day in Constanta starts at 9:00 AM; in Lisbon it is 7:00 AM at that moment.
If it is 6:00 PM in Constanta, what time is it in Lisbon?
At 6:00 PM in Constanta, clocks in Lisbon show 4:00 PM.
When is a good time to call Lisbon from Constanta?
Between 11:00 AM and 6:00 PM in Constanta – that is 9:00 AM to 4:00 PM in Lisbon – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Lisbon?
Until 2:00 AM in Constanta it is still the previous day in Lisbon. The other way round, from 10:00 PM in Lisbon it is already the next day in Constanta.
Does the time gap between Constanta and Lisbon change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 2 hours.
