Barcelona to Casper, WY: time difference
Casper, WY 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 19:39 7:39 PM Casper, WY 11:39 11:39 AM You –:–
19:39 7:39 PM
Central European Summer Time · UTC+2
☀️ 08:07 · 🌙 19:08
11:39 11:39 AM
Mountain Daylight Time · UTC-6
☀️ 07:23 · 🌙 18:19
·
−8 h
Casper, WY is 8 h behind Barcelona.
When you, Barcelona and Casper, WY 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
🇺🇸 Casper, WY
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 | 🇺🇸 Casper, WY |
|---|---|---|
| Local time | 19:39 | 11:39 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 08:07 | 07:23 |
| Sunset | 19:08 | 18:19 |
| Daylight | 11 h 1 min | 10 h 57 min |
| People on this clock | 1,660,122 | 58,763 |
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 Casper, WY: common questions
How far behind Barcelona is Casper, WY?
Casper is 8 hours behind Barcelona: UTC−6 against UTC+2.
What time is it in Casper, WY, at the start of the working day in Barcelona?
The working day in Barcelona starts at 9:00 AM; in Casper it is 1:00 AM at that moment.
What time is it in Casper, WY, when it is 6:00 PM in Barcelona?
When it is 6:00 PM in Barcelona, it is 10:00 AM in Casper.
Is there a time when both Barcelona and Casper, WY, are at work?
Yes: from 5:00 PM to 6:00 PM in Barcelona (9:00 AM to 10:00 AM in Casper), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Barcelona is it still yesterday in Casper, WY?
Before 8:00 AM in Barcelona, the date in Casper has not changed yet. From 4:00 PM in Casper, it is already the next day in Barcelona.
Is the time difference between Barcelona and Casper, WY, 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, Casper will be 7 hours behind Barcelona.
