Sydney to Sierra Vista time converter

Sierra Vista is 18 hours behind Sydney. When it is 9:00 AM in Sydney, it is 3:00 PM (Tue, Oct 20) in Sierra Vista.

Sydney AEDT

Wednesday, October 21, 2026

Sierra Vista MST

Tuesday, October 20, 2026

Sydney
New South Wales, Australia
Wed, Oct 21
AEDTUTC+11
Sierra Vista
Arizona, United States
Tue, Oct 20
MSTUTC-7-18h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Sierra Vista conversion table

Every hour of today in Sydney and the matching time in Sierra Vista. Light rows are typical working hours (9:00–18:00).

SydneySierra Vista
12:00 AM6:00 AM−1 day
1:00 AM7:00 AM−1 day
2:00 AM8:00 AM−1 day
3:00 AM9:00 AM−1 day
4:00 AM10:00 AM−1 day
5:00 AM11:00 AM−1 day
6:00 AM12:00 PM−1 day
7:00 AM1:00 PM−1 day
8:00 AM2:00 PM−1 day
9:00 AM3:00 PM−1 day
10:00 AM4:00 PM−1 day
11:00 AM5:00 PM−1 day
12:00 PM6:00 PM−1 day
1:00 PM7:00 PM−1 day
2:00 PM8:00 PM−1 day
3:00 PM9:00 PM−1 day
4:00 PM10:00 PM−1 day
5:00 PM11:00 PM−1 day
6:00 PM12:00 AM
7:00 PM1:00 AM
8:00 PM2:00 AM
9:00 PM3:00 AM
10:00 PM4:00 AM
11:00 PM5:00 AM

Best time to call or meet

Both sides are at work from 9:00 AM – 12:00 PM in Sydney (3:00 PM – 6:00 PM in Sierra Vista).

Daylight saving time and the difference

The difference changes during the year because Sydney and Sierra Vista switch clocks on different dates:

  • Oct 21, 2026 – Apr 4, 2027: -18h
  • Apr 4, 2027 – Oct 3, 2027: -17h
  • Oct 3, 2027 – Oct 21, 2027: -18h

Distance

Sydney and Sierra Vista are 12,602 km (7,831 miles) apart in a straight line.

More conversions

Sierra Vista to SydneySydney to New YorkSydney to LondonSydney to Los AngelesSydney to ChicagoSydney to TorontoSydney to São PauloSydney to ParisSydney to BerlinSydney to MoscowSydney to DubaiSydney to New DelhiSydney to Bangkok
New York to Sierra VistaLondon to Sierra VistaLos Angeles to Sierra VistaChicago to Sierra VistaToronto to Sierra VistaSão Paulo to Sierra VistaParis to Sierra VistaBerlin to Sierra VistaMoscow to Sierra VistaDubai to Sierra VistaNew Delhi to Sierra VistaBangkok to Sierra Vista

Questions and answers

What is the time difference between Sydney and Sierra Vista?

Sierra Vista is 18 hours behind Sydney.

What time is it in Sierra Vista when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 3:00 PM (Tue, Oct 20) in Sierra Vista.

When is the best time to call Sierra Vista from Sydney?

Both sides are at work from 9:00 AM – 12:00 PM in Sydney (3:00 PM – 6:00 PM in Sierra Vista).

Does the time difference between Sydney and Sierra Vista change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.