Seattle, WA to Sumter, SC: time difference
Sumter, 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 05:48 5:48 AM Sumter, SC 08:48 8:48 AM You –:–
05:48 5:48 AM
Pacific Daylight Time · UTC-7
☀️ 07:24 · 🌙 18:28
08:48 8:48 AM
Eastern Daylight Time · UTC-4
☀️ 07:25 · 🌙 18:52
·
+3 h
Sumter, SC is 3 h ahead of Seattle, WA.
When you, Seattle, WA and Sumter, 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
🇺🇸 Sumter, 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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇺🇸 Sumter, SC |
|---|---|---|
| Local time | 05:48 | 08:48 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 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 | 07:24 | 07:25 |
| Sunset | 18:28 | 18:52 |
| Daylight | 11 h 4 min | 11 h 28 min |
| People on this clock | 737,015 | 39,159 |
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 Sumter, SC: common questions
How many hours ahead of Seattle, WA, is Sumter, SC?
The clocks in Sumter are 3 hours ahead of those in Seattle (UTC−4 and UTC−7).
What time is it in Sumter, SC, at the start of the working day in Seattle, WA?
The working day in Seattle starts at 9:00 AM; in Sumter it is 12:00 PM at that moment.
What time is it in Sumter, SC, at the end of the working day in Seattle, WA?
The working day in Seattle ends at 6:00 PM; in Sumter it is 9:00 PM at that moment.
When is a good time to call Sumter, SC, from Seattle, WA?
Between 9:00 AM and 3:00 PM in Seattle – that is 12:00 PM to 6:00 PM in Sumter – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Sumter, SC, compared with Seattle, WA?
The new day starts in Sumter earlier: at 9:00 PM in Seattle it is already midnight there. Until 3:00 AM in Sumter, Seattle is still on the previous day.
Does the time gap between Seattle, WA, and Sumter, SC, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 3 hours.
