Naperville to Sydney time converter

Sydney is 16 hours ahead of Naperville. When it is 9:00 AM in Naperville, it is 1:00 AM (Sat, Oct 17) in Sydney.

Naperville CDT

Friday, October 16, 2026

Sydney AEDT

Saturday, October 17, 2026

Naperville
Illinois, United States
Fri, Oct 16
CDTUTC-5
Sydney
New South Wales, Australia
Sat, Oct 17
AEDTUTC+11+16h
Finding your time zone…
Shared working hours (9:00–18:00)

Naperville to Sydney conversion table

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

NapervilleSydney
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 Naperville (9:00 AM – 10:00 AM in Sydney).

Daylight saving time and the difference

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

  • Oct 16, 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 16, 2027: +16h

Distance

Naperville and Sydney are 14,832 km (9,216 miles) apart in a straight line.

More conversions

Sydney to NapervilleNaperville to New YorkNaperville to LondonNaperville to Los AngelesNaperville to ChicagoNaperville to TorontoNaperville to São PauloNaperville to ParisNaperville to BerlinNaperville to MoscowNaperville to DubaiNaperville to New DelhiNaperville 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 Naperville and Sydney?

Sydney is 16 hours ahead of Naperville.

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

When it is 9:00 AM in Naperville, it is 1:00 AM (Sat, Oct 17) in Sydney.

When is the best time to call Sydney from Naperville?

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

Does the time difference between Naperville 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.