Columbia, SC to Seattle, WA: time difference
Seattle, WA is 3 h behind Columbia, 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.
Columbia, SC 21:46 9:46 PM Seattle, WA 18:46 6:46 PM You –:–
21:46 9:46 PM
Eastern Daylight Time · UTC-4
☀️ 07:25 · 🌙 18:59
18:46 6:46 PM
Pacific Daylight Time · UTC-7
☀️ 07:20 · 🌙 18:34
·
−3 h
Seattle, WA is 3 h behind Columbia, SC.
When you, Columbia, 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
🇺🇸 Columbia, 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
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Time zones side by side
| Detail | 🇺🇸 Columbia, SC | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 21:46 | 18:46 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Columbia, 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 | 07:25 | 07:20 |
| Sunset | 18:59 | 18:34 |
| Daylight | 11 h 34 min | 11 h 14 min |
| People on this clock | 139,698 | 737,015 |
Compare Columbia, SC with another city
More comparisons with Columbia, SC: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Columbia, SC and Seattle, WA: common questions
What is the time difference between Columbia, SC, and Seattle, WA?
Seattle is 3 hours behind: it uses UTC−7, while Columbia is on UTC−4.
What time is it in Seattle, WA, when it is 9:00 AM in Columbia, SC?
When it is 9:00 AM in Columbia, it is 6:00 AM in Seattle.
What time is it in Seattle, WA, at the end of the working day in Columbia, SC?
The working day in Columbia ends at 6:00 PM; in Seattle it is 3:00 PM at that moment.
When do working hours in Columbia, SC, and in Seattle, WA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Columbia, which is 9:00 AM to 3:00 PM in Seattle.
Until what time in Columbia, SC, is it still yesterday in Seattle, WA?
Before 3:00 AM in Columbia, the date in Seattle has not changed yet. From 9:00 PM in Seattle, it is already the next day in Columbia.
Does the time difference between Columbia, SC, and Seattle, WA, change?
No. The clocks in Columbia and in Seattle change on the same dates, so the difference stays 3 hours.
