Helena to Sydney time converter

Sydney is 16 hours ahead of Helena. When it is 9:00 AM in Helena, it is 1:00 AM (Thu, Oct 22) in Sydney.

Helena CDT

Wednesday, October 21, 2026

Sydney AEDT

Wednesday, October 21, 2026

Helena
Alabama, United States
Wed, Oct 21
CDTUTC-5
Sydney
New South Wales, Australia
Wed, Oct 21
AEDTUTC+11+16h
Finding your time zone…
Shared working hours (9:00–18:00)

Helena to Sydney conversion table

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

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

Best time to call or meet

Both sides are at work from 5:00 PM – 6:00 PM in Helena (9:00 AM – 10:00 AM in Sydney).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: +16h
  • Nov 1, 2026 – Mar 14, 2027: +17h
  • Mar 14, 2027 – Apr 3, 2027: +16h
  • Apr 3, 2027 – Oct 2, 2027: +15h
  • Oct 2, 2027 – Oct 21, 2027: +16h

Distance

Helena and Sydney are 14,713 km (9,142 miles) apart in a straight line.

More conversions

Sydney to HelenaHelena to New YorkHelena to LondonHelena to Los AngelesHelena to ChicagoHelena to TorontoHelena to São PauloHelena to ParisHelena to BerlinHelena to MoscowHelena to DubaiHelena to New DelhiHelena 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 Helena and Sydney?

Sydney is 16 hours ahead of Helena.

What time is it in Sydney when it is 9 AM in Helena?

When it is 9:00 AM in Helena, it is 1:00 AM (Thu, Oct 22) in Sydney.

When is the best time to call Sydney from Helena?

Both sides are at work from 5:00 PM – 6:00 PM in Helena (9:00 AM – 10:00 AM in Sydney).

Does the time difference between Helena 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.