Naperville, IL to Seattle, WA: time difference
Seattle, WA is 2 h behind Naperville, IL. 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.
Naperville, IL 15:25 3:25 PM Seattle, WA 13:25 1:25 PM You –:–
15:25 3:25 PM
Central Daylight Time · UTC-5
☀️ 07:11 · 🌙 18:05
13:25 1:25 PM
Pacific Daylight Time · UTC-7
☀️ 07:36 · 🌙 18:13
·
−2 h
Seattle, WA is 2 h behind Naperville, IL.
When you, Naperville, IL 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
🇺🇸 Naperville, IL
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
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 21 9 PM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Naperville, IL | 🇺🇸 Seattle, WA |
|---|---|---|
| Local time | 15:25 | 13:25 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Daylight Time | Pacific Daylight Time |
| UTC offset | UTC-5 | UTC-7 |
| Offset from Naperville, IL | — | −2 h |
| IANA zone | America/Chicago | America/Los Angeles |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 07:11 | 07:36 |
| Sunset | 18:05 | 18:13 |
| Daylight | 10 h 54 min | 10 h 37 min |
| People on this clock | 149,540 | 737,015 |
Compare Naperville, IL with another city
More comparisons with Naperville, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Naperville, IL and Seattle, WA: common questions
How many hours behind Naperville, IL, is Seattle, WA?
The clocks in Seattle are 2 hours behind those in Naperville (UTC−7 and UTC−5).
If it is 9:00 AM in Naperville, IL, what time is it in Seattle, WA?
At 9:00 AM in Naperville, clocks in Seattle show 7:00 AM.
If it is 6:00 PM in Naperville, IL, what time is it in Seattle, WA?
At 6:00 PM in Naperville, clocks in Seattle show 4:00 PM.
When is a good time to call Seattle, WA, from Naperville, IL?
Between 11:00 AM and 6:00 PM in Naperville – that is 9:00 AM to 4:00 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 Naperville, IL?
The new day starts in Seattle later: until 2:00 AM in Naperville, it is still the previous day there. From 10:00 PM in Seattle, Naperville is already on the next day.
Does the time gap between Naperville, IL, and Seattle, WA, change during the year?
No – both places switch to and from summer time on the same dates, so the gap stays 2 hours.
