Lisbon to Port Arthur, TX: time difference
Port Arthur, TX 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 13:54 1:54 PM Port Arthur, TX 07:54 7:54 AM You –:–
13:54 1:54 PM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:54
07:54 7:54 AM
Central Daylight Time · UTC-5
☀️ 07:21 · 🌙 18:42
·
−6 h
Port Arthur, TX is 6 h behind Lisbon.
When you, Lisbon and Port Arthur, TX 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
🇺🇸 Port Arthur, TX
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 | 🇺🇸 Port Arthur, TX |
|---|---|---|
| Local time | 13:54 | 07:54 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 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 | 07:50 | 07:21 |
| Sunset | 18:54 | 18:42 |
| Daylight | 11 h 4 min | 11 h 21 min |
| People on this clock | 545,923 | 54,135 |
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 Port Arthur, TX: common questions
How many hours behind Lisbon is Port Arthur, TX?
The clocks in Port Arthur are 6 hours behind those in Lisbon (UTC−5 and UTC+1).
What time is it in Port Arthur, TX, when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 3:00 AM in Port Arthur.
If it is 6:00 PM in Lisbon, what time is it in Port Arthur, TX?
At 6:00 PM in Lisbon, clocks in Port Arthur show 12:00 PM.
Is there a time when both Lisbon and Port Arthur, TX, are at work?
Yes: from 3:00 PM to 6:00 PM in Lisbon (9:00 AM to 12:00 PM in Port Arthur), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Port Arthur, TX?
Until 6:00 AM in Lisbon it is still the previous day in Port Arthur. The other way round, from 6:00 PM in Port Arthur it is already the next day in Lisbon.
Does the time gap between Lisbon and Port Arthur, TX, change during the year?
Yes, because the clocks in Lisbon and in Port Arthur change on different dates. Next change: from October 25, 2026, Port Arthur will be 5 hours behind Lisbon.
