Aspen, CO to Lisbon: time difference
Lisbon is 7 h ahead of Aspen, CO. Live clocks for both, the working hours they share, and how each one sits against your own time.
+7 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Aspen, CO 21:20 9:20 PM Lisbon 04:20 4:20 AM You –:–
21:20 9:20 PM
Mountain Daylight Time · UTC-6
☀️ 07:12 · 🌙 18:39
04:20 4:20 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
·
+7 h
Lisbon is 7 h ahead of Aspen, CO.
When you, Aspen, CO 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
🇺🇸 Aspen, CO
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
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 6 6 AM
📍 Your time
- Asleep
- Early
- Working hours
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- Both working
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Time zones side by side
| Detail | 🇺🇸 Aspen, CO | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 21:20 | 04:20 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Mountain Daylight Time | Western European Summer Time |
| UTC offset | UTC-6 | UTC+1 |
| Offset from Aspen, CO | — | +7 h |
| IANA zone | America/Denver | Europe/Lisbon |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:12 | 07:41 |
| Sunset | 18:39 | 19:07 |
| Daylight | 11 h 27 min | 11 h 26 min |
| People on this clock | 7,000 | 545,923 |
Compare Aspen, CO with another city
More comparisons with Aspen, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Aspen, CO and Lisbon: common questions
How far ahead of Aspen, CO, is Lisbon?
Lisbon is 7 hours ahead of Aspen: UTC+1 against UTC−6.
What time is it in Lisbon at the start of the working day in Aspen, CO?
The working day in Aspen starts at 9:00 AM; in Lisbon it is 4:00 PM at that moment.
What time is it in Lisbon at the end of the working day in Aspen, CO?
The working day in Aspen ends at 6:00 PM; in Lisbon it is 1:00 AM (the next day) at that moment.
Is there a time when both Aspen, CO, and Lisbon are at work?
Yes: from 9:00 AM to 11:00 AM in Aspen (4:00 PM to 6:00 PM in Lisbon), the working days (9:00 AM–6:00 PM) overlap.
From what time in Aspen, CO, is it tomorrow in Lisbon?
Once it is 5:00 PM in Aspen, the date in Lisbon has already changed. Until 7:00 AM in Lisbon, it is still the previous day in Aspen.
Is the time difference between Aspen, CO, and Lisbon 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, Lisbon will be 6 hours ahead of Aspen.
