Seattle, WA to Charleston, SC: time difference
Charleston, 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 06:29 6:29 AM Charleston, SC 09:29 9:29 AM You –:–
06:29 6:29 AM
Pacific Daylight Time · UTC-7
☀️ 07:33 · 🌙 18:17
09:29 9:29 AM
Eastern Daylight Time · UTC-4
☀️ 07:27 · 🌙 18:44
·
+3 h
Charleston, SC is 3 h ahead of Seattle, WA.
When you, Seattle, WA and Charleston, 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
🇺🇸 Charleston, 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 | 🇺🇸 Charleston, SC |
|---|---|---|
| Local time | 06:29 | 09:29 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 07:33 | 07:27 |
| Sunset | 18:17 | 18:44 |
| Daylight | 10 h 44 min | 11 h 18 min |
| People on this clock | 737,015 | 150,227 |
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 Charleston, SC: common questions
How many hours ahead of Seattle, WA, is Charleston, SC?
The clocks in Charleston are 3 hours ahead of those in Seattle (UTC−4 and UTC−7).
What time is it in Charleston, SC, at the start of the working day in Seattle, WA?
The working day in Seattle starts at 9:00 AM; in Charleston it is 12:00 PM at that moment.
What time is it in Charleston, SC, when it is 6:00 PM in Seattle, WA?
When it is 6:00 PM in Seattle, it is 9:00 PM in Charleston.
When do working hours in Seattle, WA, and in Charleston, 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 Charleston.
When does the date change in Charleston, SC, compared with Seattle, WA?
The new day starts in Charleston earlier: at 9:00 PM in Seattle it is already midnight there. Until 3:00 AM in Charleston, Seattle is still on the previous day.
Does the time difference between Seattle, WA, and Charleston, SC, change?
No. The clocks in Seattle and in Charleston change on the same dates, so the difference stays 3 hours.
