San Jose to Casper, WY: time difference
Casper, WY is 1 h behind San Jose. 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.
San Jose 06:27 6:27 AM Casper, WY 05:27 5:27 AM You –:–
06:27 6:27 AM
Central Standard Time · UTC-6
☀️ 05:29 · 🌙 17:13
05:27 5:27 AM
Mountain Standard Time · UTC-7
☀️ 06:47 · 🌙 16:53
·
−1 h
Casper, WY is 1 h behind San Jose.
When you, San Jose 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
🇨🇷 San Jose
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
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 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇷 San Jose | 🇺🇸 Casper, WY |
|---|---|---|
| Local time | 06:27 | 05:27 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Central Standard Time | Mountain Standard Time |
| UTC offset | UTC-6 | UTC-7 |
| Offset from San Jose | — | −1 h |
| IANA zone | America/Costa Rica | America/Denver |
| Daylight saving | Not observed | On standard time → UTC-6, Mar 14, 03:00 |
| Sunrise | 05:29 | 06:47 |
| Sunset | 17:13 | 16:53 |
| Daylight | 11 h 44 min | 10 h 6 min |
| People on this clock | 342,188 | 58,763 |
Compare San Jose with another city
More comparisons with San Jose: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Jose and Casper, WY: common questions
How far behind San Jose is Casper, WY?
Casper is 1 hour behind San Jose: UTC−7 against UTC−6.
If it is 9:00 AM in San Jose, what time is it in Casper, WY?
At 9:00 AM in San Jose, clocks in Casper show 8:00 AM.
What time is it in Casper, WY, at the end of the working day in San Jose?
The working day in San Jose ends at 6:00 PM; in Casper it is 5:00 PM at that moment.
Is there a time when both San Jose and Casper, WY, are at work?
Yes: from 10:00 AM to 6:00 PM in San Jose (9:00 AM to 5:00 PM in Casper), the working days (9:00 AM–6:00 PM) overlap.
Until what time in San Jose is it still yesterday in Casper, WY?
Before 1:00 AM in San Jose, the date in Casper has not changed yet. From 11:00 PM in Casper, it is already the next day in San Jose.
Is the time difference between San Jose and Casper, WY, the same all year?
No. Only Casper switches to summer time, so the gap changes twice a year. From March 14, 2027, Casper and San Jose will have the same time.
