Seattle, WA to Columbia, MD: time difference
Columbia, MD 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 09:30 9:30 AM Columbia, MD 12:30 12:30 PM You –:–
09:30 9:30 AM
Pacific Daylight Time · UTC-7
☀️ 07:22 · 🌙 18:32
12:30 12:30 PM
Eastern Daylight Time · UTC-4
☀️ 07:13 · 🌙 18:37
·
+3 h
Columbia, MD is 3 h ahead of Seattle, WA.
When you, Seattle, WA and Columbia, MD 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
🇺🇸 Columbia, MD
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
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Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇺🇸 Columbia, MD |
|---|---|---|
| Local time | 09:30 | 12:30 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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 | 07:22 | 07:13 |
| Sunset | 18:32 | 18:37 |
| Daylight | 11 h 11 min | 11 h 25 min |
| People on this clock | 737,015 | 139,698 |
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 Columbia, MD: common questions
How far ahead of Seattle, WA, is Columbia, MD?
Columbia is 3 hours ahead of Seattle: UTC−4 against UTC−7.
What time is it in Columbia, MD, when it is 9:00 AM in Seattle, WA?
When it is 9:00 AM in Seattle, it is 12:00 PM in Columbia.
If it is 6:00 PM in Seattle, WA, what time is it in Columbia, MD?
At 6:00 PM in Seattle, clocks in Columbia show 9:00 PM.
When do working hours in Seattle, WA, and in Columbia, MD, 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 Columbia.
From what time in Seattle, WA, is it tomorrow in Columbia, MD?
Once it is 9:00 PM in Seattle, the date in Columbia has already changed. Until 3:00 AM in Columbia, it is still the previous day in Seattle.
Is the time difference between Seattle, WA, and Columbia, MD, the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 3 hours.
