Lisbon to Sumter, SC: time difference
Sumter, SC 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 10:43 10:43 AM Sumter, SC 05:43 5:43 AM You –:–
10:43 10:43 AM
Western European Summer Time · UTC+1
☀️ 07:43 · 🌙 19:04
05:43 5:43 AM
Eastern Daylight Time · UTC-4
☀️ 07:25 · 🌙 18:52
·
−5 h
Sumter, SC is 5 h behind Lisbon.
When you, Lisbon and Sumter, SC 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
🇺🇸 Sumter, SC
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 | 🇺🇸 Sumter, SC |
|---|---|---|
| Local time | 10:43 | 05:43 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 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 | 07:43 | 07:25 |
| Sunset | 19:04 | 18:52 |
| Daylight | 11 h 21 min | 11 h 28 min |
| People on this clock | 545,923 | 39,159 |
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 Sumter, SC: common questions
How many hours behind Lisbon is Sumter, SC?
The clocks in Sumter are 5 hours behind those in Lisbon (UTC−4 and UTC+1).
What time is it in Sumter, SC, at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Sumter it is 4:00 AM at that moment.
What time is it in Sumter, SC, when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 1:00 PM in Sumter.
When is a good time to call Sumter, SC, from Lisbon?
Between 2:00 PM and 6:00 PM in Lisbon – that is 9:00 AM to 1:00 PM in Sumter – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Sumter, SC?
Until 5:00 AM in Lisbon it is still the previous day in Sumter. The other way round, from 7:00 PM in Sumter it is already the next day in Lisbon.
Is the time difference between Lisbon and Sumter, SC, the same all year?
No. Both places use summer time, but they switch on different dates, so for a while the gap changes. From October 25, 2026, Sumter will be 4 hours behind Lisbon.
