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.

O'Fallon CDT

Monday, October 19, 2026

Cairo EEST

Monday, October 19, 2026

Illinois, United States
Mon, Oct 19
CDTUTC-5
Egypt
Mon, Oct 19
EESTUTC+3+8h
Finding your time zone…

1:22 PM in O'Fallon, Monday, October 19, 2026

Shared working hours (9:00–18:00)

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'FallonCairo
12:00 AM8:00 AM
1:00 AM9:00 AM
2:00 AM10:00 AM
3:00 AM11:00 AM
4:00 AM12:00 PM
5:00 AM1:00 PM
6:00 AM2:00 PM
7:00 AM3:00 PM
8:00 AM4:00 PM
9:00 AM5:00 PM
10:00 AM6:00 PM
11:00 AM7:00 PM
12:00 PM8:00 PM
1:00 PM9:00 PM
2:00 PM10:00 PM
3:00 PM11:00 PM
4:00 PM12:00 AM+1 day
5:00 PM1:00 AM+1 day
6:00 PM2:00 AM+1 day
7:00 PM3:00 AM+1 day
8:00 PM4:00 AM+1 day
9:00 PM5:00 AM+1 day
10:00 PM6:00 AM+1 day
11:00 PM7:00 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 19, 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 19, 2027: +8h

Distance

O'Fallon and Cairo are 10,247 km (6,367 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.