Barcelona to Helena, MT: time difference
Helena, MT is 8 h behind Barcelona. 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.
Barcelona 05:29 5:29 AM Helena, MT 21:29 9:29 PM You –:–
05:29 5:29 AM
Central European Summer Time · UTC+2
☀️ 07:58 · 🌙 19:20
21:29 9:29 PM
Mountain Daylight Time · UTC-6
☀️ 07:38 · 🌙 18:54
·
−8 h
Helena, MT is 8 h behind Barcelona.
When you, Barcelona and Helena, MT are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇪🇸 Barcelona
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
🇺🇸 Helena, MT
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 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇪🇸 Barcelona | 🇺🇸 Helena, MT |
|---|---|---|
| Local time | 05:29 | 21:29 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Central European Summer Time | Mountain Daylight Time |
| UTC offset | UTC+2 | UTC-6 |
| Offset from Barcelona | — | −8 h |
| IANA zone | Europe/Madrid | America/Denver |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:58 | 07:38 |
| Sunset | 19:20 | 18:54 |
| Daylight | 11 h 22 min | 11 h 16 min |
| People on this clock | 1,660,122 | 32,091 |
Compare Barcelona with another city
More comparisons with Barcelona: the time zones next to it and the far side of the clock.
Big time differences
Barcelona and Helena, MT: common questions
How many hours behind Barcelona is Helena, MT?
The clocks in Helena are 8 hours behind those in Barcelona (UTC−6 and UTC+2).
What time is it in Helena, MT, when it is 9:00 AM in Barcelona?
When it is 9:00 AM in Barcelona, it is 1:00 AM in Helena.
What time is it in Helena, MT, at the end of the working day in Barcelona?
The working day in Barcelona ends at 6:00 PM; in Helena it is 10:00 AM at that moment.
When do working hours in Barcelona and in Helena, MT, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 5:00 PM to 6:00 PM in Barcelona, which is 9:00 AM to 10:00 AM in Helena.
When is it still the previous day in Helena, MT?
Until 8:00 AM in Barcelona it is still the previous day in Helena. The other way round, from 4:00 PM in Helena it is already the next day in Barcelona.
Does the time difference between Barcelona and Helena, MT, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Helena will be 7 hours behind Barcelona.
