Honolulu to Naperville time converter

Naperville is 5 hours ahead of Honolulu. When it is 9:00 AM in Honolulu, it is 2:00 PM in Naperville.

Honolulu HST

Sunday, October 18, 2026

Naperville CDT

Monday, October 19, 2026

Hawaii, United States
Sun, Oct 18
HSTUTC-10
Illinois, United States
Mon, Oct 19
CDTUTC-5+5h
Finding your time zone…

7:10 PM in Honolulu, Sunday, October 18, 2026

Shared working hours (9:00–18:00)

Honolulu to Naperville conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 1:00 PM in Honolulu (2:00 PM – 6:00 PM in Naperville).

Daylight saving time and the difference

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

  • Oct 18, 2026 – Oct 31, 2026: +5h
  • Oct 31, 2026 – Mar 13, 2027: +4h
  • Mar 13, 2027 – Oct 18, 2027: +5h

Distance

Honolulu and Naperville are 6,796 km (4,223 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Honolulu and Naperville?

Naperville is 5 hours ahead of Honolulu.

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

When it is 9:00 AM in Honolulu, it is 2:00 PM in Naperville.

When is the best time to call Naperville from Honolulu?

Both sides are at work from 9:00 AM – 1:00 PM in Honolulu (2:00 PM – 6:00 PM in Naperville).

Does the time difference between Honolulu 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.