Sumter, SC to Seattle, WA: time difference
Seattle, WA is 3 h behind Sumter, 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.
Sumter, SC 05:46 5:46 AM Seattle, WA 02:46 2:46 AM You –:–
05:46 5:46 AM
Eastern Daylight Time · UTC-4
☀️ 07:25 · 🌙 18:52
02:46 2:46 AM
Pacific Daylight Time · UTC-7
☀️ 07:24 · 🌙 18:28
·
−3 h
Seattle, WA is 3 h behind Sumter, SC.
When you, Sumter, 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
🇺🇸 Sumter, 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 | 🇺🇸 Sumter, SC | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 05:46 | 02:46 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Sumter, 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 | 07:24 |
| Sunset | 18:52 | 18:28 |
| Daylight | 11 h 28 min | 11 h 4 min |
| People on this clock | 39,159 | 737,015 |
Compare Sumter, SC with another city
More comparisons with Sumter, SC: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sumter, SC and Seattle, WA: common questions
How many hours behind Sumter, SC, is Seattle, WA?
The clocks in Seattle are 3 hours behind those in Sumter (UTC−7 and UTC−4).
What time is it in Seattle, WA, at the start of the working day in Sumter, SC?
The working day in Sumter starts at 9:00 AM; in Seattle it is 6:00 AM at that moment.
If it is 6:00 PM in Sumter, SC, what time is it in Seattle, WA?
At 6:00 PM in Sumter, clocks in Seattle show 3:00 PM.
When do working hours in Sumter, SC, and in Seattle, WA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Sumter, which is 9:00 AM to 3:00 PM in Seattle.
Until what time in Sumter, SC, is it still yesterday in Seattle, WA?
Before 3:00 AM in Sumter, the date in Seattle has not changed yet. From 9:00 PM in Seattle, it is already the next day in Sumter.
Does the time difference between Sumter, SC, and Seattle, WA, change?
No. The clocks in Sumter and in Seattle change on the same dates, so the difference stays 3 hours.
