Aspen, CO to San Jose: time difference
San Jose is 1 h ahead of Aspen, CO. 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.
Aspen, CO 10:41 10:41 AM San Jose 11:41 11:41 AM You –:–
10:41 10:41 AM
Mountain Standard Time · UTC-7
☀️ 06:41 · 🌙 17:02
11:41 11:41 AM
Central Standard Time · UTC-6
☀️ 05:29 · 🌙 17:13
·
+1 h
San Jose is 1 h ahead of Aspen, CO.
When you, Aspen, CO and San Jose are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Aspen, CO
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
🇨🇷 San Jose
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Aspen, CO | 🇨🇷 San Jose |
|---|---|---|
| Local time | 10:41 | 11:41 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Mountain Standard Time | Central Standard Time |
| UTC offset | UTC-7 | UTC-6 |
| Offset from Aspen, CO | — | +1 h |
| IANA zone | America/Denver | America/Costa Rica |
| Daylight saving | On standard time → UTC-6, Mar 14, 03:00 | Not observed |
| Sunrise | 06:41 | 05:29 |
| Sunset | 17:02 | 17:13 |
| Daylight | 10 h 21 min | 11 h 44 min |
| People on this clock | 7,000 | 342,188 |
Compare Aspen, CO with another city
More comparisons with Aspen, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Aspen, CO and San Jose: common questions
How many hours ahead of Aspen, CO, is San Jose?
The clocks in San Jose are 1 hour ahead of those in Aspen (UTC−6 and UTC−7).
What time is it in San Jose at the start of the working day in Aspen, CO?
The working day in Aspen starts at 9:00 AM; in San Jose it is 10:00 AM at that moment.
What time is it in San Jose at the end of the working day in Aspen, CO?
The working day in Aspen ends at 6:00 PM; in San Jose it is 7:00 PM at that moment.
When is a good time to call San Jose from Aspen, CO?
Between 9:00 AM and 5:00 PM in Aspen – that is 10:00 AM to 6:00 PM in San Jose – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in San Jose compared with Aspen, CO?
The new day starts in San Jose earlier: at 11:00 PM in Aspen it is already midnight there. Until 1:00 AM in San Jose, Aspen is still on the previous day.
Does the time difference between Aspen, CO, and San Jose change?
Yes. The clocks change only in Aspen. From March 14, 2027, San Jose and Aspen will have the same time.
