Upper Alton to Sydney time converter

Sydney is 16 hours ahead of Upper Alton. When it is 9:00 AM in Upper Alton, it is 1:00 AM (Mon, Oct 19) in Sydney.

Upper Alton CDT

Sunday, October 18, 2026

Sydney AEDT

Monday, October 19, 2026

Upper Alton
Illinois, United States
Sun, Oct 18
CDTUTC-5
Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11+16h
Finding your time zone…
Shared working hours (9:00–18:00)

Upper Alton to Sydney conversion table

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

Upper AltonSydney
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 Upper Alton (9:00 AM – 10:00 AM in Sydney).

Daylight saving time and the difference

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

  • Oct 18, 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 18, 2027: +16h

Distance

Upper Alton and Sydney are 14,598 km (9,071 miles) apart in a straight line.

More conversions

Sydney to Upper AltonUpper Alton to New YorkUpper Alton to LondonUpper Alton to Los AngelesUpper Alton to ChicagoUpper Alton to TorontoUpper Alton to São PauloUpper Alton to ParisUpper Alton to BerlinUpper Alton to MoscowUpper Alton to DubaiUpper Alton to New DelhiUpper Alton 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 Upper Alton and Sydney?

Sydney is 16 hours ahead of Upper Alton.

What time is it in Sydney when it is 9 AM in Upper Alton?

When it is 9:00 AM in Upper Alton, it is 1:00 AM (Mon, Oct 19) in Sydney.

When is the best time to call Sydney from Upper Alton?

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

Does the time difference between Upper Alton 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.