Seattle, WA to Hartsville, SC: time difference
Hartsville, 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 22:54 10:54 PM Hartsville, SC 01:54 1:54 AM You –:–
22:54 10:54 PM
Pacific Daylight Time · UTC-7
☀️ 07:22 · 🌙 18:32
01:54 1:54 AM
Eastern Daylight Time · UTC-4
☀️ 07:23 · 🌙 18:52
·
+3 h
Hartsville, SC is 3 h ahead of Seattle, WA.
When you, Seattle, WA and Hartsville, 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
🇺🇸 Hartsville, 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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Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇺🇸 Hartsville, SC |
|---|---|---|
| Local time | 22:54 | 01:54 |
| Local date | Saturday, October 10, 2026 | Sunday, October 11, 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 | 07:22 | 07:23 |
| Sunset | 18:32 | 18:52 |
| Daylight | 11 h 11 min | 11 h 29 min |
| People on this clock | 737,015 | 7,500 |
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 Hartsville, SC: common questions
How far ahead of Seattle, WA, is Hartsville, SC?
Hartsville is 3 hours ahead of Seattle: UTC−4 against UTC−7.
What time is it in Hartsville, SC, when it is 9:00 AM in Seattle, WA?
When it is 9:00 AM in Seattle, it is 12:00 PM in Hartsville.
What time is it in Hartsville, SC, at the end of the working day in Seattle, WA?
The working day in Seattle ends at 6:00 PM; in Hartsville it is 9:00 PM at that moment.
When do working hours in Seattle, WA, and in Hartsville, 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 Hartsville.
When is it already the next day in Hartsville, SC?
From 9:00 PM in Seattle, WA, it is already the next day in Hartsville. The other way round, until 3:00 AM in Hartsville it is still the previous day in Seattle.
Does the time difference between Seattle, WA, and Hartsville, SC, change?
No. The clocks in Seattle and in Hartsville change on the same dates, so the difference stays 3 hours.
