Boulder City to Sydney time converter

Sydney is 18 hours ahead of Boulder City. When it is 9:00 AM in Boulder City, it is 3:00 AM (Tue, Oct 20) in Sydney.

Boulder City PDT

Monday, October 19, 2026

Sydney AEDT

Monday, October 19, 2026

Boulder City
Nevada, United States
Mon, Oct 19
PDTUTC-7
Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11+18h
Finding your time zone…
Shared working hours (9:00–18:00)

Boulder City to Sydney conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Boulder City and Sydney switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: +18h
  • Nov 1, 2026 – Mar 14, 2027: +19h
  • Mar 14, 2027 – Apr 3, 2027: +18h
  • Apr 3, 2027 – Oct 2, 2027: +17h
  • Oct 2, 2027 – Oct 19, 2027: +18h

Distance

Boulder City and Sydney are 12,448 km (7,735 miles) apart in a straight line.

More conversions

Sydney to Boulder CityBoulder City to New YorkBoulder City to LondonBoulder City to Los AngelesBoulder City to ChicagoBoulder City to TorontoBoulder City to São PauloBoulder City to ParisBoulder City to BerlinBoulder City to MoscowBoulder City to DubaiBoulder City to New DelhiBoulder City to Bangkok
New York to SydneyLondon to SydneyLos Angeles to SydneyChicago to SydneyToronto to SydneySão Paulo to SydneyParis to SydneyBerlin to SydneyMoscow to SydneyDubai to SydneyNew Delhi to SydneyBangkok to Sydney

Questions and answers

What is the time difference between Boulder City and Sydney?

Sydney is 18 hours ahead of Boulder City.

What time is it in Sydney when it is 9 AM in Boulder City?

When it is 9:00 AM in Boulder City, it is 3:00 AM (Tue, Oct 20) in Sydney.

When is the best time to call Sydney from Boulder City?

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

Does the time difference between Boulder City and Sydney change?

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