Lisbon to Rockwall, TX: time difference
Rockwall, 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 21:00 9:00 PM Rockwall, TX 15:00 3:00 PM You –:–
21:00 9:00 PM
Western European Summer Time · UTC+1
☀️ 07:51 · 🌙 18:53
15:00 3:00 PM
Central Daylight Time · UTC-5
☀️ 07:34 · 🌙 18:48
·
−6 h
Rockwall, TX is 6 h behind Lisbon.
When you, Lisbon and Rockwall, 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
🇺🇸 Rockwall, 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 | 🇺🇸 Rockwall, TX |
|---|---|---|
| Local time | 21:00 | 15:00 |
| 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 | 07:34 |
| Sunset | 18:53 | 18:48 |
| Daylight | 11 h 2 min | 11 h 14 min |
| People on this clock | 545,923 | 49,669 |
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 Rockwall, TX: common questions
What is the time difference between Lisbon and Rockwall, TX?
Rockwall is 6 hours behind: it uses UTC−5, while Lisbon is on UTC+1.
What time is it in Rockwall, TX, at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Rockwall it is 3:00 AM at that moment.
What time is it in Rockwall, TX, when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 12:00 PM in Rockwall.
When is a good time to call Rockwall, TX, from Lisbon?
Between 3:00 PM and 6:00 PM in Lisbon – that is 9:00 AM to 12:00 PM in Rockwall – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Lisbon is it still yesterday in Rockwall, TX?
Before 6:00 AM in Lisbon, the date in Rockwall has not changed yet. From 6:00 PM in Rockwall, it is already the next day in Lisbon.
Does the time gap between Lisbon and Rockwall, TX, change during the year?
Yes, because the clocks in Lisbon and in Rockwall change on different dates. Next change: from October 25, 2026, Rockwall will be 5 hours behind Lisbon.
