Lisbon to Ada, OK: time difference
Ada, OK is 6 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 02:04 2:04 AM Ada, OK 20:04 8:04 PM You –:–
02:04 2:04 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
20:04 8:04 PM
Central Daylight Time · UTC-5
☀️ 07:28 · 🌙 19:01
·
−6 h
Ada, OK is 6 h behind Lisbon.
When you, Lisbon and Ada, OK 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
🇺🇸 Ada, OK
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇺🇸 Ada, OK |
|---|---|---|
| Local time | 02:04 | 20:04 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Western European Summer Time | Central Daylight Time |
| UTC offset | UTC+1 | UTC-5 |
| Offset from Lisbon | — | −6 h |
| IANA zone | Europe/Lisbon | America/Chicago |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:41 | 07:28 |
| Sunset | 19:07 | 19:01 |
| Daylight | 11 h 26 min | 11 h 33 min |
| People on this clock | 545,923 | 17,000 |
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 Ada, OK: common questions
What is the time difference between Lisbon and Ada, OK?
Ada is 6 hours behind: it uses UTC−5, while Lisbon is on UTC+1.
What time is it in Ada, OK, at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Ada it is 3:00 AM at that moment.
What time is it in Ada, OK, at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Ada it is 12:00 PM at that moment.
When do working hours in Lisbon and in Ada, OK, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 3:00 PM to 6:00 PM in Lisbon, which is 9:00 AM to 12:00 PM in Ada.
Until what time in Lisbon is it still yesterday in Ada, OK?
Before 6:00 AM in Lisbon, the date in Ada has not changed yet. From 6:00 PM in Ada, it is already the next day in Lisbon.
Is the time difference between Lisbon and Ada, OK, 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, Ada will be 5 hours behind Lisbon.
