Brookhaven to Chicago time converter
Chicago is 1 hour behind Brookhaven. When it is 9:00 AM in Brookhaven, it is 8:00 AM in Chicago.
Brookhaven EDT
Saturday, October 17, 2026
Chicago CDT
Saturday, October 17, 2026
5:53 AM in Brookhaven, Saturday, October 17, 2026
Brookhaven to Chicago conversion table
Every hour of today in Brookhaven and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).
| Brookhaven | Chicago |
|---|---|
| 12:00 AM | 11:00 PM−1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Best time to call or meet
Both sides are at work from 10:00 AM – 6:00 PM in Brookhaven (9:00 AM – 5:00 PM in Chicago).
Daylight saving time and the difference
The difference changes during the year because Brookhaven and Chicago switch clocks on different dates:
- Oct 17, 2026 – Nov 1, 2026: -1h
- Nov 1, 2026 – Nov 1, 2026: ±0
- Nov 1, 2026 – Mar 14, 2027: -1h
- Mar 14, 2027 – Mar 14, 2027: -2h
- Mar 14, 2027 – Oct 17, 2027: -1h
Distance
Brookhaven and Chicago are 935 km (581 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Brookhaven and Chicago?
Chicago is 1 hour behind Brookhaven.
What time is it in Chicago when it is 9 AM in Brookhaven?
When it is 9:00 AM in Brookhaven, it is 8:00 AM in Chicago.
When is the best time to call Chicago from Brookhaven?
Both sides are at work from 10:00 AM – 6:00 PM in Brookhaven (9:00 AM – 5:00 PM in Chicago).
Does the time difference between Brookhaven and Chicago change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.