Rock Hill, SC to Seattle, WA: time difference
Seattle, WA is 3 h behind Rock Hill, SC. 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 Hill, SC 04:45 4:45 AM Seattle, WA 01:45 1:45 AM You –:–
04:45 4:45 AM
Eastern Daylight Time · UTC-4
☀️ 07:36 · 🌙 18:42
01:45 1:45 AM
Pacific Daylight Time · UTC-7
☀️ 07:39 · 🌙 18:10
·
−3 h
Seattle, WA is 3 h behind Rock Hill, SC.
When you, Rock Hill, SC 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 Hill, SC
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
21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇺🇸 Rock Hill, SC | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 04:45 | 01:45 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Rock Hill, SC | — | −3 h |
| IANA zone | America/New York | America/Los Angeles |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:36 | 07:39 |
| Sunset | 18:42 | 18:10 |
| Daylight | 11 h 6 min | 10 h 31 min |
| People on this clock | 74,102 | 737,015 |
Compare Rock Hill, SC with another city
More comparisons with Rock Hill, SC: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rock Hill, SC and Seattle, WA: common questions
How many hours behind Rock Hill, SC, is Seattle, WA?
The clocks in Seattle are 3 hours behind those in Rock Hill (UTC−7 and UTC−4).
What time is it in Seattle, WA, when it is 9:00 AM in Rock Hill, SC?
When it is 9:00 AM in Rock Hill, it is 6:00 AM in Seattle.
What time is it in Seattle, WA, when it is 6:00 PM in Rock Hill, SC?
When it is 6:00 PM in Rock Hill, it is 3:00 PM in Seattle.
When is a good time to call Seattle, WA, from Rock Hill, SC?
Between 12:00 PM and 6:00 PM in Rock Hill – that is 9:00 AM to 3:00 PM in Seattle – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Seattle, WA?
Until 3:00 AM in Rock Hill, SC, it is still the previous day in Seattle. The other way round, from 9:00 PM in Seattle it is already the next day in Rock Hill.
Does the time difference between Rock Hill, SC, and Seattle, WA, change?
No. The clocks in Rock Hill and in Seattle change on the same dates, so the difference stays 3 hours.
