Sydney to Naperville time converter

Naperville is 16 hours behind Sydney. When it is 9:00 AM in Sydney, it is 5:00 PM (Fri, Oct 16) in Naperville.

Sydney AEDT

Saturday, October 17, 2026

Naperville CDT

Friday, October 16, 2026

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

Sydney to Naperville conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 17, 2026 – Nov 1, 2026: -16h
  • Nov 1, 2026 – Mar 14, 2027: -17h
  • Mar 14, 2027 – Apr 4, 2027: -16h
  • Apr 4, 2027 – Oct 3, 2027: -15h
  • Oct 3, 2027 – Oct 17, 2027: -16h

Distance

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

More conversions

Naperville to SydneySydney to New YorkSydney to LondonSydney to Los AngelesSydney to ChicagoSydney to TorontoSydney to São PauloSydney to ParisSydney to BerlinSydney to MoscowSydney to DubaiSydney to New DelhiSydney to Bangkok
New York to NapervilleLondon to NapervilleLos Angeles to NapervilleChicago to NapervilleToronto to NapervilleSão Paulo to NapervilleParis to NapervilleBerlin to NapervilleMoscow to NapervilleDubai to NapervilleNew Delhi to NapervilleBangkok to Naperville

Questions and answers

What is the time difference between Sydney and Naperville?

Naperville is 16 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 5:00 PM (Fri, Oct 16) in Naperville.

When is the best time to call Naperville from Sydney?

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

Does the time difference between Sydney and Naperville change?

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