Seattle, WA to Rock Hill, SC: time difference
Rock Hill, SC is 3 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 08:05 8:05 AM Rock Hill, SC 11:05 11:05 AM You –:–
08:05 8:05 AM
Pacific Daylight Time · UTC-7
☀️ 07:39 · 🌙 18:10
11:05 11:05 AM
Eastern Daylight Time · UTC-4
☀️ 07:36 · 🌙 18:42
·
+3 h
Rock Hill, SC is 3 h ahead of Seattle, WA.
When you, Seattle, WA and Rock Hill, SC 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
🇺🇸 Rock Hill, SC
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 1 1 AM 2 2 AM
📍 Your time
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- Early
- Working hours
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Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇺🇸 Rock Hill, SC |
|---|---|---|
| Local time | 08:05 | 11:05 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Pacific Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-7 | UTC-4 |
| Offset from Seattle, WA | — | +3 h |
| IANA zone | America/Los Angeles | America/New York |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:39 | 07:36 |
| Sunset | 18:10 | 18:42 |
| Daylight | 10 h 31 min | 11 h 6 min |
| People on this clock | 737,015 | 74,102 |
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 Rock Hill, SC: common questions
How many hours ahead of Seattle, WA, is Rock Hill, SC?
The clocks in Rock Hill are 3 hours ahead of those in Seattle (UTC−4 and UTC−7).
What time is it in Rock Hill, SC, at the start of the working day in Seattle, WA?
The working day in Seattle starts at 9:00 AM; in Rock Hill it is 12:00 PM at that moment.
What time is it in Rock Hill, SC, at the end of the working day in Seattle, WA?
The working day in Seattle ends at 6:00 PM; in Rock Hill it is 9:00 PM at that moment.
When do working hours in Seattle, WA, and in Rock Hill, SC, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Seattle, which is 12:00 PM to 6:00 PM in Rock Hill.
When does the date change in Rock Hill, SC, compared with Seattle, WA?
The new day starts in Rock Hill earlier: at 9:00 PM in Seattle it is already midnight there. Until 3:00 AM in Rock Hill, Seattle is still on the previous day.
Does the time difference between Seattle, WA, and Rock Hill, SC, change?
No. The clocks in Seattle and in Rock Hill change on the same dates, so the difference stays 3 hours.
