Seattle, WA to O'Fallon, MO: time difference
O'Fallon, MO is 2 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 17:06 5:06 PM O'Fallon, MO 19:06 7:06 PM You –:–
17:06 5:06 PM
Pacific Daylight Time · UTC-7
☀️ 07:37 · 🌙 18:12
19:06 7:06 PM
Central Daylight Time · UTC-5
☀️ 07:19 · 🌙 18:17
·
+2 h
O'Fallon, MO is 2 h ahead of Seattle, WA.
When you, Seattle, WA and O'Fallon, MO 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
🇺🇸 O'Fallon, MO
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
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- Both working
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Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇺🇸 O'Fallon, MO |
|---|---|---|
| Local time | 17:06 | 19:06 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Pacific Daylight Time | Central Daylight Time |
| UTC offset | UTC-7 | UTC-5 |
| Offset from Seattle, WA | — | +2 h |
| IANA zone | America/Los Angeles | America/Chicago |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 07:37 | 07:19 |
| Sunset | 18:12 | 18:17 |
| Daylight | 10 h 34 min | 10 h 59 min |
| People on this clock | 737,015 | 94,074 |
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 O'Fallon, MO: common questions
What is the time difference between Seattle, WA, and O'Fallon, MO?
O'Fallon is 2 hours ahead: it uses UTC−5, while Seattle is on UTC−7.
What time is it in O'Fallon, MO, when it is 9:00 AM in Seattle, WA?
When it is 9:00 AM in Seattle, it is 11:00 AM in O'Fallon.
What time is it in O'Fallon, MO, when it is 6:00 PM in Seattle, WA?
When it is 6:00 PM in Seattle, it is 8:00 PM in O'Fallon.
When is a good time to call O'Fallon, MO, from Seattle, WA?
Between 9:00 AM and 4:00 PM in Seattle – that is 11:00 AM to 6:00 PM in O'Fallon – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in O'Fallon, MO, compared with Seattle, WA?
The new day starts in O'Fallon earlier: at 10:00 PM in Seattle it is already midnight there. Until 2:00 AM in O'Fallon, Seattle is still on the previous day.
Does the time difference between Seattle, WA, and O'Fallon, MO, change?
No. The clocks in Seattle and in O'Fallon change on the same dates, so the difference stays 2 hours.
