Tucson, AZ to Lisbon: time difference
Lisbon is 8 h ahead of Tucson, AZ. Live clocks for both, the working hours they share, and how each one sits against your own time.
+8 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tucson, AZ 19:42 7:42 PM Lisbon 03:42 3:42 AM You –:–
19:42 7:42 PM
Mountain Standard Time · UTC-7
☀️ 06:24 · 🌙 18:00
03:42 3:42 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
·
+8 h
Lisbon is 8 h ahead of Tucson, AZ.
When you, Tucson, AZ 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
🇺🇸 Tucson, AZ
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
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 6 6 AM 7 7 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇺🇸 Tucson, AZ | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 19:42 | 03:42 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Mountain Standard Time | Western European Summer Time |
| UTC offset | UTC-7 | UTC+1 |
| Offset from Tucson, AZ | — | +8 h |
| IANA zone | America/Phoenix | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:24 | 07:41 |
| Sunset | 18:00 | 19:07 |
| Daylight | 11 h 36 min | 11 h 26 min |
| People on this clock | 520,116 | 545,923 |
Compare Tucson, AZ with another city
More comparisons with Tucson, AZ: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Tucson, AZ and Lisbon: common questions
How many hours ahead of Tucson, AZ, is Lisbon?
The clocks in Lisbon are 8 hours ahead of those in Tucson (UTC+1 and UTC−7).
What time is it in Lisbon at the start of the working day in Tucson, AZ?
The working day in Tucson starts at 9:00 AM; in Lisbon it is 5:00 PM at that moment.
What time is it in Lisbon when it is 6:00 PM in Tucson, AZ?
When it is 6:00 PM in Tucson, it is 2:00 AM (the next day) in Lisbon.
When do working hours in Tucson, AZ, and in Lisbon overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 10:00 AM in Tucson, which is 5:00 PM to 6:00 PM in Lisbon.
From what time in Tucson, AZ, is it tomorrow in Lisbon?
Once it is 4:00 PM in Tucson, the date in Lisbon has already changed. Until 8:00 AM in Lisbon, it is still the previous day in Tucson.
Does the time difference between Tucson, AZ, and Lisbon change?
Yes. The clocks change only in Lisbon. From October 25, 2026, Lisbon will be 7 hours ahead of Tucson.
