Rockwall, TX to Lisbon: time difference
Lisbon is 6 h ahead of Rockwall, TX. Live clocks for both, the working hours they share, and how each one sits against your own time.
+6 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Rockwall, TX 15:31 3:31 PM Lisbon 21:31 9:31 PM You –:–
15:31 3:31 PM
Central Daylight Time · UTC-5
☀️ 07:34 · 🌙 18:48
21:31 9:31 PM
Western European Summer Time · UTC+1
☀️ 07:51 · 🌙 18:53
·
+6 h
Lisbon is 6 h ahead of Rockwall, TX.
When you, Rockwall, TX and Lisbon are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Rockwall, TX
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
🇵🇹 Lisbon
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Rockwall, TX | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 15:31 | 21:31 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Daylight Time | Western European Summer Time |
| UTC offset | UTC-5 | UTC+1 |
| Offset from Rockwall, TX | — | +6 h |
| IANA zone | America/Chicago | Europe/Lisbon |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:34 | 07:51 |
| Sunset | 18:48 | 18:53 |
| Daylight | 11 h 14 min | 11 h 2 min |
| People on this clock | 49,669 | 545,923 |
Compare Rockwall, TX with another city
More comparisons with Rockwall, TX: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rockwall, TX and Lisbon: common questions
How far ahead of Rockwall, TX, is Lisbon?
Lisbon is 6 hours ahead of Rockwall: UTC+1 against UTC−5.
If it is 9:00 AM in Rockwall, TX, what time is it in Lisbon?
At 9:00 AM in Rockwall, clocks in Lisbon show 3:00 PM.
If it is 6:00 PM in Rockwall, TX, what time is it in Lisbon?
At 6:00 PM in Rockwall, clocks in Lisbon show 12:00 AM (the next day).
Is there a time when both Rockwall, TX, and Lisbon are at work?
Yes: from 9:00 AM to 12:00 PM in Rockwall (3:00 PM to 6:00 PM in Lisbon), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Lisbon compared with Rockwall, TX?
The new day starts in Lisbon earlier: at 6:00 PM in Rockwall it is already midnight there. Until 6:00 AM in Lisbon, Rockwall is still on the previous day.
Does the time difference between Rockwall, TX, and Lisbon change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Lisbon will be 5 hours ahead of Rockwall.
