Seattle, WA to Highlands Ranch, CO: time difference
Highlands Ranch, 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 19:12 7:12 PM Highlands Ranch, CO 20:12 8:12 PM You –:–
19:12 7:12 PM
Pacific Daylight Time · UTC-7
☀️ 07:37 · 🌙 18:12
20:12 8:12 PM
Mountain Daylight Time · UTC-6
☀️ 07:17 · 🌙 18:14
·
+1 h
Highlands Ranch, CO is 1 h ahead of Seattle, WA.
When you, Seattle, WA and Highlands Ranch, 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
🇺🇸 Highlands Ranch, 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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- Both working
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Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇺🇸 Highlands Ranch, CO |
|---|---|---|
| Local time | 19:12 | 20:12 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 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 | 07:37 | 07:17 |
| Sunset | 18:12 | 18:14 |
| Daylight | 10 h 34 min | 10 h 57 min |
| People on this clock | 737,015 | — |
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 Highlands Ranch, CO: common questions
How far ahead of Seattle, WA, is Highlands Ranch, CO?
Highlands Ranch is 1 hour ahead of Seattle: UTC−6 against UTC−7.
If it is 9:00 AM in Seattle, WA, what time is it in Highlands Ranch, CO?
At 9:00 AM in Seattle, clocks in Highlands Ranch show 10:00 AM.
What time is it in Highlands Ranch, CO, at the end of the working day in Seattle, WA?
The working day in Seattle ends at 6:00 PM; in Highlands Ranch it is 7:00 PM at that moment.
When do working hours in Seattle, WA, and in Highlands Ranch, CO, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Seattle, which is 10:00 AM to 6:00 PM in Highlands Ranch.
When is it already the next day in Highlands Ranch, CO?
From 11:00 PM in Seattle, WA, it is already the next day in Highlands Ranch. The other way round, until 1:00 AM in Highlands Ranch it is still the previous day in Seattle.
Does the time gap between Seattle, WA, and Highlands Ranch, CO, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 1 hour.
