Chicago to Isumi time converter
Isumi is 14 hours ahead of Chicago. When it is 9:00 AM in Chicago, it is 11:00 PM in Isumi.
6:42 AM in Chicago, Sunday, October 18, 2026
Chicago to Isumi conversion table
Every hour of today in Chicago and the matching time in Isumi. Light rows are typical working hours (9:00–18:00).
| Chicago | Isumi |
|---|---|
| 12:00 AM | 2:00 PM |
| 1:00 AM | 3:00 PM |
| 2:00 AM | 4:00 PM |
| 3:00 AM | 5:00 PM |
| 4:00 AM | 6:00 PM |
| 5:00 AM | 7:00 PM |
| 6:00 AM | 8:00 PM |
| 7:00 AM | 9:00 PM |
| 8:00 AM | 10:00 PM |
| 9:00 AM | 11:00 PM |
| 10:00 AM | 12:00 AM+1 day |
| 11:00 AM | 1:00 AM+1 day |
| 12:00 PM | 2:00 AM+1 day |
| 1:00 PM | 3:00 AM+1 day |
| 2:00 PM | 4:00 AM+1 day |
| 3:00 PM | 5:00 AM+1 day |
| 4:00 PM | 6:00 AM+1 day |
| 5:00 PM | 7:00 AM+1 day |
| 6:00 PM | 8:00 AM+1 day |
| 7:00 PM | 9:00 AM+1 day |
| 8:00 PM | 10:00 AM+1 day |
| 9:00 PM | 11:00 AM+1 day |
| 10:00 PM | 12:00 PM+1 day |
| 11:00 PM | 1:00 PM+1 day |
Best time to call or meet
Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Chicago (7:00 AM – 8:00 AM in Isumi): working hours on one side, early or late on the other.
Daylight saving time and the difference
The difference changes during the year because Chicago and Isumi 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
Chicago and Isumi are 10,147 km (6,305 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Chicago and Isumi?
Isumi is 14 hours ahead of Chicago.
What time is it in Isumi when it is 9 AM in Chicago?
When it is 9:00 AM in Chicago, it is 11:00 PM in Isumi.
When is the best time to call Isumi from Chicago?
Working hours don't overlap fully. The closest fit is 5:00 PM – 6:00 PM in Chicago (7:00 AM – 8:00 AM in Isumi): working hours on one side, early or late on the other.
Does the time difference between Chicago and Isumi change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.