Cairo zone
GMT+3 (GMT+3)
Chicago zone
CDT (GMT-5)
Difference
8 hours behind Cairo
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Cairo. Filled cells mark when 9 AM – 5 PM in Cairo and Chicago both apply.
0 hours per day
- Cairo
- GMT+3
- Chicago
- GMT-5
- Difference
- -8h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Chicago for an hour in Cairo.
| Cairo | Chicago | Day | Window |
|---|---|---|---|
| 12:00 AM | 4:00 PM | previous day | — |
| 1:00 AM | 5:00 PM | previous day | — |
| 2:00 AM | 6:00 PM | previous day | — |
| 3:00 AM | 7:00 PM | previous day | — |
| 4:00 AM | 8:00 PM | previous day | — |
| 5:00 AM | 9:00 PM | previous day | — |
| 6:00 AM | 10:00 PM | previous day | — |
| 7:00 AM | 11:00 PM | previous day | — |
| 8:00 AM | 12:00 AM | same day | — |
| 9:00 AM | 1:00 AM | same day | — |
| 10:00 AM | 2:00 AM | same day | — |
| 11:00 AM | 3:00 AM | same day | — |
| 12:00 PM | 4:00 AM | same day | — |
| 1:00 PM | 5:00 AM | same day | — |
| 2:00 PM | 6:00 AM | same day | — |
| 3:00 PM | 7:00 AM | same day | — |
| 4:00 PM | 8:00 AM | same day | — |
| 5:00 PM | 9:00 AM | same day | — |
| 6:00 PM | 10:00 AM | same day | — |
| 7:00 PM | 11:00 AM | same day | — |
| 8:00 PM | 12:00 PM | same day | — |
| 9:00 PM | 1:00 PM | same day | — |
| 10:00 PM | 2:00 PM | same day | — |
| 11:00 PM | 3:00 PM | same day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Cairo and Chicago do not overlap. Plan calls for early Cairo morning or late Cairo evening, and rotate the burden between sides.
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 Cairo time to Chicago time
Cairo follows the Africa/Cairo time zone (currently GMT+3, GMT+3), while Chicago follows America/Chicago (currently CDT, GMT-5). Chicago is 8 hours behind Cairo 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
Cairo
- Spring forward · Thursday, April 23, 2026
- Fall back · Thursday, October 29, 2026
Chicago
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Reverse this conversion
Chicago to Cairo
Open the converter
Plan a meeting between Cairo and Chicago
More conversions from Cairo
Frequently asked questions
- How many hours is Cairo from Chicago?
- Chicago is 8 hours behind Cairo right now.
- What time is 9:00 AM Cairo in Chicago?
- 9:00 AM in Cairo is 1:00 AM in Chicago.
- What time is 5:00 PM Cairo in Chicago?
- 5:00 PM in Cairo is 9:00 AM in Chicago.
- When do Cairo and Chicago business hours overlap?
- Standard 9 AM - 5 PM working hours in Cairo and Chicago do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Cairo and Chicago?
- Both Cairo and Chicago 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 Cairo
Local time page
Time in Chicago