Tokyo to Naperville time converter

Naperville is 14 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 7:00 PM (Sat, Oct 17) in Naperville.

Tokyo JST

Sunday, October 18, 2026

Naperville CDT

Sunday, October 18, 2026

Tokyo
Japan
Sun, Oct 18
JSTUTC+9
Naperville
Illinois, United States
Sun, Oct 18
CDTUTC-5-14h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Naperville conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Tokyo (5:00 PM – 6:00 PM in Naperville): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 18, 2026 – Nov 1, 2026: -14h
  • Nov 1, 2026 – Mar 14, 2027: -15h
  • Mar 14, 2027 – Oct 18, 2027: -14h

Distance

Tokyo and Naperville are 10,121 km (6,289 miles) apart in a straight line.

More conversions

Naperville to TokyoTokyo to New YorkTokyo to LondonTokyo to Los AngelesTokyo to ChicagoTokyo to TorontoTokyo to São PauloTokyo to ParisTokyo to BerlinTokyo to MoscowTokyo to DubaiTokyo to New DelhiTokyo 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 Tokyo and Naperville?

Naperville is 14 hours behind Tokyo.

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

When it is 9:00 AM in Tokyo, it is 7:00 PM (Sat, Oct 17) in Naperville.

When is the best time to call Naperville from Tokyo?

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Tokyo (5:00 PM – 6:00 PM in Naperville): working hours on one side, early or late on the other.

Does the time difference between Tokyo 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.