Aspen, CO to Seattle, WA: time difference
Seattle, WA is 1 h behind 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 06:24 6:24 AM Seattle, WA 05:24 5:24 AM You –:–
06:24 6:24 AM
Mountain Daylight Time · UTC-6
☀️ 07:13 · 🌙 18:37
05:24 5:24 AM
Pacific Daylight Time · UTC-7
☀️ 07:22 · 🌙 18:32
·
−1 h
Seattle, WA is 1 h behind Aspen, CO.
When you, Aspen, CO and Seattle, WA 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
🇺🇸 Seattle, WA
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 | 🇺🇸 Aspen, CO | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 06:24 | 05:24 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Mountain Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-6 | UTC-7 |
| Offset from Aspen, CO | — | −1 h |
| IANA zone | America/Denver | America/Los Angeles |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:13 | 07:22 |
| Sunset | 18:37 | 18:32 |
| Daylight | 11 h 25 min | 11 h 11 min |
| People on this clock | 7,000 | 737,015 |
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 Seattle, WA: common questions
What is the time difference between Aspen, CO, and Seattle, WA?
Seattle is 1 hour behind: it uses UTC−7, while Aspen is on UTC−6.
What time is it in Seattle, WA, when it is 9:00 AM in Aspen, CO?
When it is 9:00 AM in Aspen, it is 8:00 AM in Seattle.
What time is it in Seattle, WA, when it is 6:00 PM in Aspen, CO?
When it is 6:00 PM in Aspen, it is 5:00 PM in Seattle.
Is there a time when both Aspen, CO, and Seattle, WA, are at work?
Yes: from 10:00 AM to 6:00 PM in Aspen (9:00 AM to 5:00 PM in Seattle), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Seattle, WA, compared with Aspen, CO?
The new day starts in Seattle later: until 1:00 AM in Aspen, it is still the previous day there. From 11:00 PM in Seattle, Aspen is already on the next day.
Is the time difference between Aspen, CO, and Seattle, WA, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 1 hour.
