Altoona to Sydney time converter

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

Altoona CDT

Wednesday, October 21, 2026

Sydney AEDT

Thursday, October 22, 2026

Altoona
Iowa, United States
Wed, Oct 21
CDTUTC-5
Sydney
New South Wales, Australia
Thu, Oct 22
AEDTUTC+11+16h
Finding your time zone…
Shared working hours (9:00–18:00)

Altoona to Sydney conversion table

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

AltoonaSydney
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 Altoona (9:00 AM – 10:00 AM in Sydney).

Daylight saving time and the difference

The difference changes during the year because Altoona 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

Altoona and Sydney are 14,397 km (8,946 miles) apart in a straight line.

More conversions

Sydney to AltoonaAltoona to New YorkAltoona to LondonAltoona to Los AngelesAltoona to ChicagoAltoona to TorontoAltoona to São PauloAltoona to ParisAltoona to BerlinAltoona to MoscowAltoona to DubaiAltoona to New DelhiAltoona 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 Altoona and Sydney?

Sydney is 16 hours ahead of Altoona.

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

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

When is the best time to call Sydney from Altoona?

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

Does the time difference between Altoona 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.