Great Falls, MT to Barcelona: time difference
Barcelona is 8 h ahead of Great Falls, MT. 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.
Great Falls, MT 21:11 9:11 PM Barcelona 05:11 5:11 AM You –:–
21:11 9:11 PM
Mountain Daylight Time · UTC-6
☀️ 07:37 · 🌙 18:48
05:11 5:11 AM
Central European Summer Time · UTC+2
☀️ 07:59 · 🌙 19:19
·
+8 h
Barcelona is 8 h ahead of Great Falls, MT.
When you, Great Falls, MT and Barcelona are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Great Falls, MT
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
🇪🇸 Barcelona
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
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Time zones side by side
| Detail | 🇺🇸 Great Falls, MT | 🇪🇸 Barcelona |
|---|---|---|
| Local time | 21:11 | 05:11 |
| Local date | Saturday, October 10, 2026 | Sunday, October 11, 2026 |
| Time zone | Mountain Daylight Time | Central European Summer Time |
| UTC offset | UTC-6 | UTC+2 |
| Offset from Great Falls, MT | — | +8 h |
| IANA zone | America/Denver | Europe/Madrid |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:37 | 07:59 |
| Sunset | 18:48 | 19:19 |
| Daylight | 11 h 11 min | 11 h 20 min |
| People on this clock | 60,442 | 1,660,122 |
Compare Great Falls, MT with another city
More comparisons with Great Falls, MT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Great Falls, MT and Barcelona: common questions
What is the time difference between Great Falls, MT, and Barcelona?
Barcelona is 8 hours ahead: it uses UTC+2, while Great Falls is on UTC−6.
What time is it in Barcelona at the start of the working day in Great Falls, MT?
The working day in Great Falls starts at 9:00 AM; in Barcelona it is 5:00 PM at that moment.
What time is it in Barcelona when it is 6:00 PM in Great Falls, MT?
When it is 6:00 PM in Great Falls, it is 2:00 AM (the next day) in Barcelona.
When do working hours in Great Falls, MT, and in Barcelona overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 10:00 AM in Great Falls, which is 5:00 PM to 6:00 PM in Barcelona.
From what time in Great Falls, MT, is it tomorrow in Barcelona?
Once it is 4:00 PM in Great Falls, the date in Barcelona has already changed. Until 8:00 AM in Barcelona, it is still the previous day in Great Falls.
Is the time difference between Great Falls, MT, and Barcelona 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, Barcelona will be 7 hours ahead of Great Falls.
