Honolulu to Mattoon time converter
Mattoon is 5 hours ahead of Honolulu. When it is 9:00 AM in Honolulu, it is 2:00 PM in Mattoon.
11:00 AM in Honolulu, Sunday, October 18, 2026
Honolulu to Mattoon conversion table
Every hour of today in Honolulu and the matching time in Mattoon. Light rows are typical working hours (9:00–18:00).
| Honolulu | Mattoon |
|---|---|
| 12:00 AM | 5:00 AM |
| 1:00 AM | 6:00 AM |
| 2:00 AM | 7:00 AM |
| 3:00 AM | 8:00 AM |
| 4:00 AM | 9:00 AM |
| 5:00 AM | 10:00 AM |
| 6:00 AM | 11:00 AM |
| 7:00 AM | 12:00 PM |
| 8:00 AM | 1:00 PM |
| 9:00 AM | 2:00 PM |
| 10:00 AM | 3:00 PM |
| 11:00 AM | 4:00 PM |
| 12:00 PM | 5:00 PM |
| 1:00 PM | 6:00 PM |
| 2:00 PM | 7:00 PM |
| 3:00 PM | 8:00 PM |
| 4:00 PM | 9:00 PM |
| 5:00 PM | 10:00 PM |
| 6:00 PM | 11:00 PM |
| 7:00 PM | 12:00 AM+1 day |
| 8:00 PM | 1:00 AM+1 day |
| 9:00 PM | 2:00 AM+1 day |
| 10:00 PM | 3:00 AM+1 day |
| 11:00 PM | 4:00 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 Mattoon).
Daylight saving time and the difference
The difference changes during the year because Honolulu and Mattoon 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 Mattoon 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 Mattoon?
Mattoon is 5 hours ahead of Honolulu.
What time is it in Mattoon when it is 9 AM in Honolulu?
When it is 9:00 AM in Honolulu, it is 2:00 PM in Mattoon.
When is the best time to call Mattoon from Honolulu?
Both sides are at work from 9:00 AM – 1:00 PM in Honolulu (2:00 PM – 6:00 PM in Mattoon).
Does the time difference between Honolulu and Mattoon change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.