Greenwich, CT to Lisbon: time difference
Lisbon is 5 h ahead of Greenwich, CT. Live clocks for both, the working hours they share, and how each one sits against your own time.
+5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Greenwich, CT 21:11 9:11 PM Lisbon 02:11 2:11 AM You –:–
21:11 9:11 PM
Eastern Daylight Time · UTC-4
☀️ 07:10 · 🌙 18:11
02:11 2:11 AM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:54
·
+5 h
Lisbon is 5 h ahead of Greenwich, CT.
When you, Greenwich, CT 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
🇺🇸 Greenwich, CT
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
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 3 3 AM 4 4 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
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Time zones side by side
| Detail | 🇺🇸 Greenwich, CT | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 21:11 | 02:11 |
| Local date | Sunday, October 18, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Western European Summer Time |
| UTC offset | UTC-4 | UTC+1 |
| Offset from Greenwich, CT | — | +5 h |
| IANA zone | America/New York | Europe/Lisbon |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:10 | 07:50 |
| Sunset | 18:11 | 18:54 |
| Daylight | 11 h 1 min | 11 h 4 min |
| People on this clock | 62,077 | 545,923 |
Compare Greenwich, CT with another city
More comparisons with Greenwich, CT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Greenwich, CT and Lisbon: common questions
What is the time difference between Greenwich, CT, and Lisbon?
Lisbon is 5 hours ahead: it uses UTC+1, while Greenwich is on UTC−4.
If it is 9:00 AM in Greenwich, CT, what time is it in Lisbon?
At 9:00 AM in Greenwich, clocks in Lisbon show 2:00 PM.
What time is it in Lisbon when it is 6:00 PM in Greenwich, CT?
When it is 6:00 PM in Greenwich, it is 11:00 PM in Lisbon.
Is there a time when both Greenwich, CT, and Lisbon are at work?
Yes: from 9:00 AM to 1:00 PM in Greenwich (2:00 PM to 6:00 PM in Lisbon), the working days (9:00 AM–6:00 PM) overlap.
From what time in Greenwich, CT, is it tomorrow in Lisbon?
Once it is 7:00 PM in Greenwich, the date in Lisbon has already changed. Until 5:00 AM in Lisbon, it is still the previous day in Greenwich.
Does the time gap between Greenwich, CT, and Lisbon change during the year?
Yes, because the clocks in Greenwich and in Lisbon change on different dates. Next change: from October 25, 2026, Lisbon will be 4 hours ahead of Greenwich.
