Casper, WY to Barcelona: time difference
Barcelona is 8 h ahead of Casper, WY. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇪🇸 Barcelona, Spain
24
- Central European Summer Time
- UTC+2
- Golden hour
☀️ 08:07 · 🌙 19:08 · 11 h 1 min
+8 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Casper, WY 09:59 9:59 AM Barcelona 17:59 5:59 PM You –:–
09:59 9:59 AM
Mountain Daylight Time · UTC-6
☀️ 07:23 · 🌙 18:19
17:59 5:59 PM
Central European Summer Time · UTC+2
☀️ 08:07 · 🌙 19:08
·
+8 h
Barcelona is 8 h ahead of Casper, WY.
When you, Casper, WY 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
🇺🇸 Casper, WY
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Casper, WY | 🇪🇸 Barcelona |
|---|---|---|
| Local time | 09:59 | 17:59 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Mountain Daylight Time | Central European Summer Time |
| UTC offset | UTC-6 | UTC+2 |
| Offset from Casper, WY | — | +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 | 07:23 | 08:07 |
| Sunset | 18:19 | 19:08 |
| Daylight | 10 h 57 min | 11 h 1 min |
| People on this clock | 58,763 | 1,660,122 |
Compare Casper, WY with another city
More comparisons with Casper, WY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Casper, WY and Barcelona: common questions
How many hours ahead of Casper, WY, is Barcelona?
The clocks in Barcelona are 8 hours ahead of those in Casper (UTC+2 and UTC−6).
What time is it in Barcelona when it is 9:00 AM in Casper, WY?
When it is 9:00 AM in Casper, it is 5:00 PM in Barcelona.
What time is it in Barcelona when it is 6:00 PM in Casper, WY?
When it is 6:00 PM in Casper, it is 2:00 AM (the next day) in Barcelona.
When do working hours in Casper, WY, and in Barcelona overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 10:00 AM in Casper, which is 5:00 PM to 6:00 PM in Barcelona.
When does the date change in Barcelona compared with Casper, WY?
The new day starts in Barcelona earlier: at 4:00 PM in Casper it is already midnight there. Until 8:00 AM in Barcelona, Casper is still on the previous day.
Does the time difference between Casper, WY, and Barcelona change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Barcelona will be 7 hours ahead of Casper.
