Rock Springs, WY to Seattle, WA: time difference
Seattle, WA is 1 h behind Rock Springs, WY. 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.
Rock Springs, WY 23:21 11:21 PM Seattle, WA 22:21 10:21 PM You –:–
23:21 11:21 PM
Mountain Daylight Time · UTC-6
☀️ 07:36 · 🌙 18:28
22:21 10:21 PM
Pacific Daylight Time · UTC-7
☀️ 07:37 · 🌙 18:12
·
−1 h
Seattle, WA is 1 h behind Rock Springs, WY.
When you, Rock Springs, WY 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
🇺🇸 Rock Springs, WY
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 | 🇺🇸 Rock Springs, WY | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 23:21 | 22:21 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Mountain Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-6 | UTC-7 |
| Offset from Rock Springs, WY | — | −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 | 07:36 | 07:37 |
| Sunset | 18:28 | 18:12 |
| Daylight | 10 h 52 min | 10 h 34 min |
| People on this clock | 22,105 | 737,015 |
Compare Rock Springs, WY with another city
More comparisons with Rock Springs, WY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rock Springs, WY and Seattle, WA: common questions
How many hours behind Rock Springs, WY, is Seattle, WA?
The clocks in Seattle are 1 hour behind those in Rock Springs (UTC−7 and UTC−6).
What time is it in Seattle, WA, when it is 9:00 AM in Rock Springs, WY?
When it is 9:00 AM in Rock Springs, it is 8:00 AM in Seattle.
What time is it in Seattle, WA, when it is 6:00 PM in Rock Springs, WY?
When it is 6:00 PM in Rock Springs, it is 5:00 PM in Seattle.
When do working hours in Rock Springs, WY, and in Seattle, WA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Rock Springs, which is 9:00 AM to 5:00 PM in Seattle.
When is it still the previous day in Seattle, WA?
Until 1:00 AM in Rock Springs, WY, it is still the previous day in Seattle. The other way round, from 11:00 PM in Seattle it is already the next day in Rock Springs.
Is the time difference between Rock Springs, WY, 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.
