Mattoon to Honolulu time converter

Honolulu is 5 hours behind Mattoon. When it is 9:00 AM in Mattoon, it is 4:00 AM in Honolulu.

Mattoon CDT

Sunday, October 18, 2026

Honolulu HST

Sunday, October 18, 2026

Mattoon
Illinois, United States
Sun, Oct 18
CDTUTC-5
Honolulu
Hawaii, United States
Sun, Oct 18
HSTUTC-10-5h
Finding your time zone…
Shared working hours (9:00–18:00)

Mattoon to Honolulu conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 18, 2026 – Nov 1, 2026: -5h
  • Nov 1, 2026 – Mar 14, 2027: -4h
  • Mar 14, 2027 – Oct 18, 2027: -5h

Distance

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

More conversions

Honolulu to MattoonMattoon to New YorkMattoon to LondonMattoon to Los AngelesMattoon to ChicagoMattoon to TorontoMattoon to São PauloMattoon to ParisMattoon to BerlinMattoon to MoscowMattoon to DubaiMattoon to New DelhiMattoon to Bangkok
New York to HonoluluLondon to HonoluluLos Angeles to HonoluluChicago to HonoluluToronto to HonoluluSão Paulo to HonoluluParis to HonoluluBerlin to HonoluluMoscow to HonoluluDubai to HonoluluNew Delhi to HonoluluBangkok to Honolulu

Questions and answers

What is the time difference between Mattoon and Honolulu?

Honolulu is 5 hours behind Mattoon.

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

When it is 9:00 AM in Mattoon, it is 4:00 AM in Honolulu.

When is the best time to call Honolulu from Mattoon?

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

Does the time difference between Mattoon and Honolulu change?

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