Lisbon to Norman, OK: time difference
Norman, 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 09:30 9:30 AM Norman, OK 03:30 3:30 AM You –:–
09:30 9:30 AM
Western European Summer Time · UTC+1
☀️ 07:51 · 🌙 18:53
03:30 3:30 AM
Central Daylight Time · UTC-5
☀️ 07:41 · 🌙 18:50
·
−6 h
Norman, OK is 6 h behind Lisbon.
When you, Lisbon and Norman, 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
🇺🇸 Norman, 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 | 🇺🇸 Norman, OK |
|---|---|---|
| Local time | 09:30 | 03:30 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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 | 07:51 | 07:41 |
| Sunset | 18:53 | 18:50 |
| Daylight | 11 h 2 min | 11 h 9 min |
| People on this clock | 545,923 | 102,827 |
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 Norman, OK: common questions
How many hours behind Lisbon is Norman, OK?
The clocks in Norman are 6 hours behind those in Lisbon (UTC−5 and UTC+1).
What time is it in Norman, OK, when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 3:00 AM in Norman.
If it is 6:00 PM in Lisbon, what time is it in Norman, OK?
At 6:00 PM in Lisbon, clocks in Norman show 12:00 PM.
When do working hours in Lisbon and in Norman, 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 Norman.
Until what time in Lisbon is it still yesterday in Norman, OK?
Before 6:00 AM in Lisbon, the date in Norman has not changed yet. From 6:00 PM in Norman, it is already the next day in Lisbon.
Is the time difference between Lisbon and Norman, 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, Norman will be 5 hours behind Lisbon.
