O'Fallon to Cairo time converter
Cairo is 8 hours ahead of O'Fallon. When it is 9:00 AM in O'Fallon, it is 5:00 PM in Cairo.
10:24 AM in O'Fallon, Saturday, October 17, 2026
O'Fallon to Cairo conversion table
Every hour of today in O'Fallon and the matching time in Cairo. Light rows are typical working hours (9:00–18:00).
| O'Fallon | Cairo |
|---|---|
| 12:00 AM | 8:00 AM |
| 1:00 AM | 9:00 AM |
| 2:00 AM | 10:00 AM |
| 3:00 AM | 11:00 AM |
| 4:00 AM | 12:00 PM |
| 5:00 AM | 1:00 PM |
| 6:00 AM | 2:00 PM |
| 7:00 AM | 3:00 PM |
| 8:00 AM | 4:00 PM |
| 9:00 AM | 5:00 PM |
| 10:00 AM | 6:00 PM |
| 11:00 AM | 7:00 PM |
| 12:00 PM | 8:00 PM |
| 1:00 PM | 9:00 PM |
| 2:00 PM | 10:00 PM |
| 3:00 PM | 11:00 PM |
| 4:00 PM | 12:00 AM+1 day |
| 5:00 PM | 1:00 AM+1 day |
| 6:00 PM | 2:00 AM+1 day |
| 7:00 PM | 3:00 AM+1 day |
| 8:00 PM | 4:00 AM+1 day |
| 9:00 PM | 5:00 AM+1 day |
| 10:00 PM | 6:00 AM+1 day |
| 11:00 PM | 7:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 10:00 AM in O'Fallon (5:00 PM – 6:00 PM in Cairo).
Daylight saving time and the difference
The difference changes during the year because O'Fallon and Cairo switch clocks on different dates:
- Oct 17, 2026 – Oct 29, 2026: +8h
- Oct 29, 2026 – Nov 1, 2026: +7h
- Nov 1, 2026 – Mar 14, 2027: +8h
- Mar 14, 2027 – Apr 29, 2027: +7h
- Apr 29, 2027 – Oct 17, 2027: +8h
Distance
O'Fallon and Cairo are 10,281 km (6,388 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between O'Fallon and Cairo?
Cairo is 8 hours ahead of O'Fallon.
What time is it in Cairo when it is 9 AM in O'Fallon?
When it is 9:00 AM in O'Fallon, it is 5:00 PM in Cairo.
When is the best time to call Cairo from O'Fallon?
Both sides are at work from 9:00 AM – 10:00 AM in O'Fallon (5:00 PM – 6:00 PM in Cairo).
Does the time difference between O'Fallon and Cairo change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.