Seattle, WA to Rapid City, SD: time difference
Rapid City, SD 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 11:01 11:01 AM Rapid City, SD 12:01 12:01 PM You –:–
11:01 11:01 AM
Pacific Daylight Time · UTC-7
☀️ 07:35 · 🌙 18:15
12:01 12:01 PM
Mountain Daylight Time · UTC-6
☀️ 07:13 · 🌙 18:04
·
+1 h
Rapid City, SD is 1 h ahead of Seattle, WA.
When you, Seattle, WA and Rapid City, SD 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
🇺🇸 Rapid City, SD
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
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- Working hours
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Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇺🇸 Rapid City, SD |
|---|---|---|
| Local time | 11:01 | 12:01 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 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 | 07:35 | 07:13 |
| Sunset | 18:15 | 18:04 |
| Daylight | 10 h 41 min | 10 h 51 min |
| People on this clock | 737,015 | 74,703 |
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 Rapid City, SD: common questions
How many hours ahead of Seattle, WA, is Rapid City, SD?
The clocks in Rapid City are 1 hour ahead of those in Seattle (UTC−6 and UTC−7).
What time is it in Rapid City, SD, at the start of the working day in Seattle, WA?
The working day in Seattle starts at 9:00 AM; in Rapid City it is 10:00 AM at that moment.
What time is it in Rapid City, SD, when it is 6:00 PM in Seattle, WA?
When it is 6:00 PM in Seattle, it is 7:00 PM in Rapid City.
When do working hours in Seattle, WA, and in Rapid City, SD, 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 Rapid City.
When does the date change in Rapid City, SD, compared with Seattle, WA?
The new day starts in Rapid City earlier: at 11:00 PM in Seattle it is already midnight there. Until 1:00 AM in Rapid City, Seattle is still on the previous day.
Does the time gap between Seattle, WA, and Rapid City, SD, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 1 hour.
