Seattle, WA to Aspen, CO: time difference
Aspen, CO is 1 h ahead of Seattle, WA. 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.
Seattle, WA 05:35 5:35 AM Aspen, CO 06:35 6:35 AM You –:–
05:35 5:35 AM
Pacific Daylight Time · UTC-7
☀️ 07:22 · 🌙 18:32
06:35 6:35 AM
Mountain Daylight Time · UTC-6
☀️ 07:13 · 🌙 18:37
·
+1 h
Aspen, CO is 1 h ahead of Seattle, WA.
When you, Seattle, WA and Aspen, CO are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Seattle, WA
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
🇺🇸 Aspen, CO
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
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Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇺🇸 Aspen, CO |
|---|---|---|
| Local time | 05:35 | 06:35 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Pacific Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-7 | UTC-6 |
| Offset from Seattle, WA | — | +1 h |
| IANA zone | America/Los Angeles | America/Denver |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:22 | 07:13 |
| Sunset | 18:32 | 18:37 |
| Daylight | 11 h 11 min | 11 h 25 min |
| People on this clock | 737,015 | 7,000 |
Compare Seattle, WA with another city
More comparisons with Seattle, WA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seattle, WA and Aspen, CO: common questions
How many hours ahead of Seattle, WA, is Aspen, CO?
The clocks in Aspen are 1 hour ahead of those in Seattle (UTC−6 and UTC−7).
What time is it in Aspen, CO, at the start of the working day in Seattle, WA?
The working day in Seattle starts at 9:00 AM; in Aspen it is 10:00 AM at that moment.
What time is it in Aspen, CO, at the end of the working day in Seattle, WA?
The working day in Seattle ends at 6:00 PM; in Aspen it is 7:00 PM at that moment.
Is there a time when both Seattle, WA, and Aspen, CO, are at work?
Yes: from 9:00 AM to 5:00 PM in Seattle (10:00 AM to 6:00 PM in Aspen), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Aspen, CO?
From 11:00 PM in Seattle, WA, it is already the next day in Aspen. The other way round, until 1:00 AM in Aspen it is still the previous day in Seattle.
Is the time difference between Seattle, WA, and Aspen, CO, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 1 hour.
