Time Difference Between St Louis and Cairo

The time difference between St Louis and Cairo is 8 hours. When it is 12:00 noon in St Louis, it is 20:00 in Cairo. St Louis uses the America/Chicago time zone (UTC-5), while Cairo uses Africa/Cairo (UTC+3).

Cairo is 8 hours ahead of St Louis — 8 hours
St Louis, United States
20:51:52
Sunday, May 10, 2026
UTC-5 · CDT (DST)
Cairo, Egypt
04:51:52
Monday, May 11, 2026
UTC+3 · EEST (DST)

Time Zone Details: St Louis vs Cairo

Detail St Louis Cairo
Time Zone IDAmerica/ChicagoAfrica/Cairo
UTC OffsetUTC-5UTC+3
AbbreviationCDTEEST
DST ActiveYes — currently observingYes — currently observing
CountryUnited StatesEgypt
RegionNorth AmericaAfrica

Best Time to Schedule a Call

With a 8 hours gap, there is no standard business-hours overlap between St Louis and Cairo. One party will need to adjust their schedule. Early mornings in Cairo or late evenings in St Louis tend to be the most practical compromise.

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from St Louis time to Cairo time. Rows highlighted in green indicate overlapping business hours in both cities.

St Louis Cairo
00:00 08:00 Night
01:00 09:00 Night
02:00 10:00 Night
03:00 11:00 Night
04:00 12:00 Night
05:00 13:00 Night
06:00 14:00
07:00 15:00
08:00 16:00
09:00 17:00
10:00 18:00
11:00 19:00
12:00 20:00
13:00 21:00
14:00 22:00
15:00 23:00
16:00 00:00 (+1 day)
17:00 01:00 (+1 day)
18:00 02:00 (+1 day)
19:00 03:00 (+1 day)
20:00 04:00 (+1 day)
21:00 05:00 (+1 day)
22:00 06:00 (+1 day) Night
23:00 07:00 (+1 day) Night

Daylight Saving Time (DST) Impact

Both St Louis and Cairo are currently observing daylight saving time. The current 8 hours difference reflects both cities' DST offsets. When one city switches back to standard time before the other, the gap will temporarily change by 1 hour.

Practical Tips for St Louis–Cairo Scheduling

Compare St Louis and Cairo with Other Cities

From St Louis

From Cairo

Frequently Asked Questions

What is the time difference between St Louis and Cairo?

The time difference is 8 hours. Cairo is 8 hours ahead of St Louis.

Does the time difference change during the year?

Yes. Both cities observe daylight saving time, but they may switch on different dates, causing the gap to shift by 1 hour temporarily.

When is the best time to call from St Louis to Cairo?

There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.

How do I convert St Louis time to Cairo time?

Add 8 hours to St Louis time to get Cairo time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.