Seattle, WA to Sierra Vista, AZ: time difference
Sierra Vista, AZ is 1 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 05:35 5:35 AM Sierra Vista, AZ 06:35 6:35 AM You –:–
05:35 5:35 AM
Pacific Standard Time · UTC-8
☀️ 07:02 · 🌙 16:46
06:35 6:35 AM
Mountain Standard Time · UTC-7
☀️ 06:42 · 🌙 17:29
·
+1 h
Sierra Vista, AZ is 1 h ahead of Seattle, WA.
When you, Seattle, WA and Sierra Vista, AZ 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
🇺🇸 Sierra Vista, AZ
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇺🇸 Sierra Vista, AZ |
|---|---|---|
| Local time | 05:35 | 06:35 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Pacific Standard Time | Mountain Standard Time |
| UTC offset | UTC-8 | UTC-7 |
| Offset from Seattle, WA | — | +1 h |
| IANA zone | America/Los Angeles | America/Phoenix |
| Daylight saving | On standard time → UTC-7, Mar 14, 03:00 | Not observed |
| Sunrise | 07:02 | 06:42 |
| Sunset | 16:46 | 17:29 |
| Daylight | 9 h 44 min | 10 h 47 min |
| People on this clock | 737,015 | 45,308 |
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 Sierra Vista, AZ: common questions
How far ahead of Seattle, WA, is Sierra Vista, AZ?
Sierra Vista is 1 hour ahead of Seattle: UTC−7 against UTC−8.
What time is it in Sierra Vista, AZ, at the start of the working day in Seattle, WA?
The working day in Seattle starts at 9:00 AM; in Sierra Vista it is 10:00 AM at that moment.
What time is it in Sierra Vista, AZ, at the end of the working day in Seattle, WA?
The working day in Seattle ends at 6:00 PM; in Sierra Vista it is 7:00 PM at that moment.
When do working hours in Seattle, WA, and in Sierra Vista, AZ, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Seattle, which is 10:00 AM to 6:00 PM in Sierra Vista.
When is it already the next day in Sierra Vista, AZ?
From 11:00 PM in Seattle, WA, it is already the next day in Sierra Vista. The other way round, until 1:00 AM in Sierra Vista it is still the previous day in Seattle.
Does the time gap between Seattle, WA, and Sierra Vista, AZ, change during the year?
Yes – daylight saving time is used in Seattle but not in Sierra Vista. From March 14, 2027, Sierra Vista and Seattle will have the same time.
