Seattle, WA to Denver, CO: time difference
Denver, 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 00:40 12:40 AM Denver, CO 01:40 1:40 AM You –:–
00:40 12:40 AM
Pacific Daylight Time · UTC-7
☀️ 07:20 · 🌙 18:34
01:40 1:40 AM
Mountain Daylight Time · UTC-6
☀️ 07:06 · 🌙 18:30
·
+1 h
Denver, CO is 1 h ahead of Seattle, WA.
When you, Seattle, WA and Denver, 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
🇺🇸 Denver, 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
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇺🇸 Denver, CO |
|---|---|---|
| Local time | 00:40 | 01:40 |
| 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 | 07:20 | 07:06 |
| Sunset | 18:34 | 18:30 |
| Daylight | 11 h 14 min | 11 h 24 min |
| People on this clock | 737,015 | 715,522 |
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 Denver, CO: common questions
How many hours ahead of Seattle, WA, is Denver, CO?
The clocks in Denver are 1 hour ahead of those in Seattle (UTC−6 and UTC−7).
What time is it in Denver, CO, at the start of the working day in Seattle, WA?
The working day in Seattle starts at 9:00 AM; in Denver it is 10:00 AM at that moment.
What time is it in Denver, CO, when it is 6:00 PM in Seattle, WA?
When it is 6:00 PM in Seattle, it is 7:00 PM in Denver.
When is a good time to call Denver, CO, from Seattle, WA?
Between 9:00 AM and 5:00 PM in Seattle – that is 10:00 AM to 6:00 PM in Denver – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Denver, CO, compared with Seattle, WA?
The new day starts in Denver earlier: at 11:00 PM in Seattle it is already midnight there. Until 1:00 AM in Denver, Seattle is still on the previous day.
Does the time difference between Seattle, WA, and Denver, CO, change?
No. The clocks in Seattle and in Denver change on the same dates, so the difference stays 1 hour.
