Lisbon to Ridgefield, CT: time difference
Ridgefield, CT is 5 h behind Lisbon. 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.
Lisbon 18:42 6:42 PM Ridgefield, CT 13:42 1:42 PM You –:–
18:42 6:42 PM
Western European Summer Time · UTC+1
☀️ 07:51 · 🌙 18:53
13:42 1:42 PM
Eastern Daylight Time · UTC-4
☀️ 07:12 · 🌙 18:07
·
−5 h
Ridgefield, CT is 5 h behind Lisbon.
When you, Lisbon and Ridgefield, CT are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Lisbon
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
🇺🇸 Ridgefield, CT
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇺🇸 Ridgefield, CT |
|---|---|---|
| Local time | 18:42 | 13:42 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Western European Summer Time | Eastern Daylight Time |
| UTC offset | UTC+1 | UTC-4 |
| Offset from Lisbon | — | −5 h |
| IANA zone | Europe/Lisbon | America/New York |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:51 | 07:12 |
| Sunset | 18:53 | 18:07 |
| Daylight | 11 h 2 min | 10 h 55 min |
| People on this clock | 545,923 | 25,000 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Ridgefield, CT: common questions
How far behind Lisbon is Ridgefield, CT?
Ridgefield is 5 hours behind Lisbon: UTC−4 against UTC+1.
What time is it in Ridgefield, CT, when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 4:00 AM in Ridgefield.
What time is it in Ridgefield, CT, at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Ridgefield it is 1:00 PM at that moment.
When is a good time to call Ridgefield, CT, from Lisbon?
Between 2:00 PM and 6:00 PM in Lisbon – that is 9:00 AM to 1:00 PM in Ridgefield – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Lisbon is it still yesterday in Ridgefield, CT?
Before 5:00 AM in Lisbon, the date in Ridgefield has not changed yet. From 7:00 PM in Ridgefield, it is already the next day in Lisbon.
Does the time difference between Lisbon and Ridgefield, CT, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Ridgefield will be 4 hours behind Lisbon.
