Chicago zone
CDT (GMT-5)
Deerfield Beach zone
EDT (GMT-4)
Difference
1 hour ahead of Chicago
Business overlap
7h (9-5 windows)
Working hours overlap
Each cell is one hour in Chicago. Filled cells mark when 9 AM – 5 PM in Chicago and Deerfield Beach both apply.
7 hours per day
- Chicago
- GMT-5
- Deerfield Beach
- GMT-4
- Difference
- +1h
- Business overlap
- 7h
Hour-by-hour conversion
Each row shows the matching local time in Deerfield Beach for an hour in Chicago.
| Chicago | Deerfield Beach | Day | Window |
|---|---|---|---|
| 12:00 AM | 1:00 AM | same day | — |
| 1:00 AM | 2:00 AM | same day | — |
| 2:00 AM | 3:00 AM | same day | — |
| 3:00 AM | 4:00 AM | same day | — |
| 4:00 AM | 5:00 AM | same day | — |
| 5:00 AM | 6:00 AM | same day | — |
| 6:00 AM | 7:00 AM | same day | — |
| 7:00 AM | 8:00 AM | same day | — |
| 8:00 AM | 9:00 AM | same day | — |
| 9:00 AM | 10:00 AM | same day | Both 9-5 |
| 10:00 AM | 11:00 AM | same day | Both 9-5 |
| 11:00 AM | 12:00 PM | same day | Both 9-5 |
| 12:00 PM | 1:00 PM | same day | Both 9-5 |
| 1:00 PM | 2:00 PM | same day | Both 9-5 |
| 2:00 PM | 3:00 PM | same day | Both 9-5 |
| 3:00 PM | 4:00 PM | same day | Both 9-5 |
| 4:00 PM | 5:00 PM | same day | — |
| 5:00 PM | 6:00 PM | same day | — |
| 6:00 PM | 7:00 PM | same day | — |
| 7:00 PM | 8:00 PM | same day | — |
| 8:00 PM | 9:00 PM | same day | — |
| 9:00 PM | 10:00 PM | same day | — |
| 10:00 PM | 11:00 PM | same day | — |
| 11:00 PM | 12:00 AM | next day | — |
Best meeting windows
If both teams keep standard 9 AM – 5 PM hours, the overlap window is roughly 9:00 AM – 4:00 PM in Chicago time. That gives you 7 hours per workday for live meetings.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Chicago time to Deerfield Beach time
Chicago follows the America/Chicago time zone (currently CDT, GMT-5), while Deerfield Beach follows America/New_York (currently EDT, GMT-4). Deerfield Beach is 1 hour ahead of Chicago right now.
Both cities observe daylight saving time. If their transition weekends differ, the offset shifts by one hour for a few weeks each spring and autumn.
Daylight saving transitions in 2026
Chicago
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Deerfield Beach
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Reverse this conversion
Deerfield Beach to Chicago
Open the converter
Plan a meeting between Chicago and Deerfield Beach
More conversions from Chicago
Frequently asked questions
- How many hours is Chicago from Deerfield Beach?
- Deerfield Beach is 1 hour ahead of Chicago right now.
- What time is 9:00 AM Chicago in Deerfield Beach?
- 9:00 AM in Chicago is 10:00 AM in Deerfield Beach.
- What time is 5:00 PM Chicago in Deerfield Beach?
- 5:00 PM in Chicago is 6:00 PM in Deerfield Beach.
- When do Chicago and Deerfield Beach business hours overlap?
- Standard 9 AM - 5 PM working hours overlap for about 7 hours, roughly from 9:00 AM to 4:00 PM in Chicago time.
- Does daylight saving time change the difference between Chicago and Deerfield Beach?
- Both Chicago and Deerfield Beach observe daylight saving time. If their transition dates differ, the offset between them shifts by an hour for a few weeks each year.
Local time page
Time in Chicago
Local time page
Time in Deerfield Beach