Sierra Vista, AZ to Seattle, WA: time difference

Seattle, WA is 1 h behind Sierra Vista, AZ. Live clocks for both, the working hours they share, and how each one sits against your own time.

−1 h

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Sierra Vista, AZ 06:35 6:35 AM Seattle, WA 05:35 5:35 AM
Sierra Vista, AZ 06:35 6:35 AM Seattle, WA 05:35 5:35 AM You –:–
🇺🇸 Sierra Vista, AZ

06:35 6:35 AM

Mountain Standard Time · UTC-7

☀️ 06:42 · 🌙 17:29

🇺🇸 Seattle, WA

05:35 5:35 AM

Pacific Standard Time · UTC-8

☀️ 07:02 · 🌙 16:46

⇄ Difference

−1 h

Seattle, WA is 1 h behind Sierra Vista, AZ.

When you, Sierra Vista, AZ 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
🇺🇸 Sierra Vista, AZ
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
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 22 10 PM
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇺🇸 Sierra Vista, AZ 🇺🇸 Seattle, WA
Local time 06:35 05:35
Local date Friday, November 6, 2026 Friday, November 6, 2026
Time zone Mountain Standard Time Pacific Standard Time
UTC offset UTC-7 UTC-8
Offset from Sierra Vista, AZ — −1 h
IANA zone America/Phoenix America/Los Angeles
Daylight saving Not observed On standard time → UTC-7, Mar 14, 03:00
Sunrise 06:42 07:02
Sunset 17:29 16:46
Daylight 10 h 47 min 9 h 44 min
People on this clock 45,308 737,015

Compare Sierra Vista, AZ with another city

More comparisons with Sierra Vista, AZ: the time zones next to it and the far side of the clock.

Sierra Vista, AZ and Seattle, WA: common questions

What is the time difference between Sierra Vista, AZ, and Seattle, WA?
Seattle is 1 hour behind: it uses UTC−8, while Sierra Vista is on UTC−7.
What time is it in Seattle, WA, at the start of the working day in Sierra Vista, AZ?
The working day in Sierra Vista starts at 9:00 AM; in Seattle it is 8:00 AM at that moment.
What time is it in Seattle, WA, at the end of the working day in Sierra Vista, AZ?
The working day in Sierra Vista ends at 6:00 PM; in Seattle it is 5:00 PM at that moment.
When is a good time to call Seattle, WA, from Sierra Vista, AZ?
Between 10:00 AM and 6:00 PM in Sierra Vista – that is 9:00 AM to 5:00 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 Sierra Vista, AZ?
The new day starts in Seattle later: until 1:00 AM in Sierra Vista, it is still the previous day there. From 11:00 PM in Seattle, Sierra Vista is already on the next day.
Does the time gap between Sierra Vista, AZ, and Seattle, WA, change during the year?
Yes – daylight saving time is used in Seattle but not in Sierra Vista. From March 14, 2027, Seattle and Sierra Vista will have the same time.
Show times on the 12-hour clock, temperatures in °F and distances in miles?