Charleston, SC to Seattle, WA: time difference
Seattle, WA is 3 h behind Charleston, 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.
Charleston, SC 05:55 5:55 AM Seattle, WA 02:55 2:55 AM You –:–
05:55 5:55 AM
Eastern Daylight Time · UTC-4
☀️ 07:27 · 🌙 18:44
02:55 2:55 AM
Pacific Daylight Time · UTC-7
☀️ 07:33 · 🌙 18:17
·
−3 h
Seattle, WA is 3 h behind Charleston, SC.
When you, Charleston, 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
🇺🇸 Charleston, 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
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Time zones side by side
| Detail | 🇺🇸 Charleston, SC | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 05:55 | 02:55 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Charleston, 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 | 07:27 | 07:33 |
| Sunset | 18:44 | 18:17 |
| Daylight | 11 h 18 min | 10 h 44 min |
| People on this clock | 150,227 | 737,015 |
Compare Charleston, SC with another city
More comparisons with Charleston, SC: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Charleston, SC and Seattle, WA: common questions
How far behind Charleston, SC, is Seattle, WA?
Seattle is 3 hours behind Charleston: UTC−7 against UTC−4.
What time is it in Seattle, WA, when it is 9:00 AM in Charleston, SC?
When it is 9:00 AM in Charleston, it is 6:00 AM in Seattle.
If it is 6:00 PM in Charleston, SC, what time is it in Seattle, WA?
At 6:00 PM in Charleston, clocks in Seattle show 3:00 PM.
When is a good time to call Seattle, WA, from Charleston, SC?
Between 12:00 PM and 6:00 PM in Charleston – that is 9:00 AM to 3:00 PM in Seattle – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Seattle, WA, compared with Charleston, SC?
The new day starts in Seattle later: until 3:00 AM in Charleston, it is still the previous day there. From 9:00 PM in Seattle, Charleston is already on the next day.
Does the time difference between Charleston, SC, and Seattle, WA, change?
No. The clocks in Charleston and in Seattle change on the same dates, so the difference stays 3 hours.
