Columbia, MD to Seattle, WA: time difference
Seattle, WA is 3 h behind Columbia, MD. 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, MD 10:43 10:43 AM Seattle, WA 07:43 7:43 AM You –:–
10:43 10:43 AM
Eastern Daylight Time · UTC-4
☀️ 07:13 · 🌙 18:37
07:43 7:43 AM
Pacific Daylight Time · UTC-7
☀️ 07:22 · 🌙 18:32
·
−3 h
Seattle, WA is 3 h behind Columbia, MD.
When you, Columbia, MD 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, MD
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, MD | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 10:43 | 07:43 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-4 | UTC-7 |
| Offset from Columbia, MD | — | −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 | 07:13 | 07:22 |
| Sunset | 18:37 | 18:32 |
| Daylight | 11 h 25 min | 11 h 11 min |
| People on this clock | 139,698 | 737,015 |
Compare Columbia, MD with another city
More comparisons with Columbia, MD: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Columbia, MD and Seattle, WA: common questions
How many hours behind Columbia, MD, is Seattle, WA?
The clocks in Seattle are 3 hours behind those in Columbia (UTC−7 and UTC−4).
What time is it in Seattle, WA, at the start of the working day in Columbia, MD?
The working day in Columbia starts at 9:00 AM; in Seattle it is 6:00 AM at that moment.
If it is 6:00 PM in Columbia, MD, what time is it in Seattle, WA?
At 6:00 PM in Columbia, clocks in Seattle show 3:00 PM.
When is a good time to call Seattle, WA, from Columbia, MD?
Between 12:00 PM and 6:00 PM in Columbia – 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 Columbia, MD?
The new day starts in Seattle later: until 3:00 AM in Columbia, it is still the previous day there. From 9:00 PM in Seattle, Columbia is already on the next day.
Does the time gap between Columbia, MD, and Seattle, WA, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 3 hours.
