Lisbon to Longmont, CO: time difference
Longmont, CO is 7 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 19:10 7:10 PM Longmont, CO 12:10 12:10 PM You –:–
19:10 7:10 PM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:54
12:10 12:10 PM
Mountain Daylight Time · UTC-6
☀️ 07:16 · 🌙 18:16
·
−7 h
Longmont, CO is 7 h behind Lisbon.
When you, Lisbon and Longmont, CO 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
🇺🇸 Longmont, CO
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇺🇸 Longmont, CO |
|---|---|---|
| Local time | 19:10 | 12:10 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Western European Summer Time | Mountain Daylight Time |
| UTC offset | UTC+1 | UTC-6 |
| Offset from Lisbon | — | −7 h |
| IANA zone | Europe/Lisbon | America/Denver |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:50 | 07:16 |
| Sunset | 18:54 | 18:16 |
| Daylight | 11 h 4 min | 11 h |
| People on this clock | 545,923 | 94,341 |
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 Longmont, CO: common questions
How many hours behind Lisbon is Longmont, CO?
The clocks in Longmont are 7 hours behind those in Lisbon (UTC−6 and UTC+1).
What time is it in Longmont, CO, at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Longmont it is 2:00 AM at that moment.
What time is it in Longmont, CO, when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 11:00 AM in Longmont.
When do working hours in Lisbon and in Longmont, CO, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 4:00 PM to 6:00 PM in Lisbon, which is 9:00 AM to 11:00 AM in Longmont.
When is it still the previous day in Longmont, CO?
Until 7:00 AM in Lisbon it is still the previous day in Longmont. The other way round, from 5:00 PM in Longmont it is already the next day in Lisbon.
Is the time difference between Lisbon and Longmont, CO, 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, Longmont will be 6 hours behind Lisbon.
