Convert any time between EAT and CST, with a full 24-hour table and the hours when both sides are actually at work.

EAT to CST Time Converter

CST is 8 hours behind EAT. EAT is UTC+3:00, and The US Central states are currently on CDT (UTC-5:00).

Worth knowing right now. The US Central states are currently on CDT, not CST, because daylight saving is in effect. The 8 hours above is the gap between those two regions today, which is almost certainly what you want. Taken strictly as written, EAT to CST is 9 hours.
EAT
East Africa Time
07:54:57 PM
Sunday, October 11, 2026
UTC+3:00
-8:00
hours difference
⇆ Reverse
CST
Central Standard Time
11:54:57 AM
Sunday, October 11, 2026
UTC-5:00

Best Time to Call Between EAT and CST

Standard 9-to-5 hours in these two zones never overlap, so someone has to take the call outside their working day. The most workable window is 3:00 PM to 10:00 PM EAT, which is 7:00 AM to 2:00 PM CST.

both at work EAT only CST only neither  —  hours along the strip are EAT.

EAT to CST: Full 24-Hour Conversion Table

Shaded rows are working hours; the darker shade marks the hours when both zones are at work.

EATCSTWorking hours
12:00 AM 4:00 PM prev day CST only
1:00 AM 5:00 PM prev day —
2:00 AM 6:00 PM prev day —
3:00 AM 7:00 PM prev day —
4:00 AM 8:00 PM prev day —
5:00 AM 9:00 PM prev day —
6:00 AM 10:00 PM prev day —
7:00 AM 11:00 PM prev day —
8:00 AM 12:00 AM —
9:00 AM 1:00 AM EAT only
10:00 AM 2:00 AM EAT only
11:00 AM 3:00 AM EAT only
12:00 PM 4:00 AM EAT only
1:00 PM 5:00 AM EAT only
2:00 PM 6:00 AM EAT only
3:00 PM 7:00 AM EAT only
4:00 PM 8:00 AM EAT only
5:00 PM 9:00 AM CST only
6:00 PM 10:00 AM CST only
7:00 PM 11:00 AM CST only
8:00 PM 12:00 PM CST only
9:00 PM 1:00 PM CST only
10:00 PM 2:00 PM CST only
11:00 PM 3:00 PM CST only

What EAT and CST Actually Are

EAT — East Africa Time

Nairobi, Addis Ababa, Dar es Salaam, Kampala, Mogadishu. Standing at UTC+3:00 as written, and the region does not change its clocks, so that offset holds all year.

East Africa Time is shared by a run of countries down the Rift Valley, and Ethiopia additionally keeps a traditional 12-hour clock that starts counting at dawn.

CST — Central Standard Time

Chicago, Houston, Dallas, Mexico City, Winnipeg. Standing at UTC-6:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, November 1, 2026, to CST. CST also stands for China Standard Time (UTC+8) and Cuba Standard Time (UTC-5). This page covers the North American one.

Saskatchewan sits inside the Central zone but never changes its clocks, so it matches CST in winter and its neighbors' MDT in summer.

What This Means in Practice

This gap is not fixed

CST changes its clocks and EAT does not, so the difference between them moves by an hour twice a year. A recurring meeting set now will drift for one side from Sunday, November 1, 2026 unless someone resets it.

Frequently Asked Questions

What is the time difference between EAT and CST?

CST is 8 hours behind EAT. That is the live figure. Taken strictly as written, the gap between EAT and CST is 9 hours — the two differ because at least one of these regions is currently on daylight saving.

What is 9:00 AM EAT in CST?

9:00 AM EAT is 1:00 AM CST.

What are the best hours to schedule a call between EAT and CST?

Standard business hours in these two zones do not overlap at all, so one side has to work outside the 9-to-5. The most workable window is 3:00 PM to 10:00 PM EAT, which is 7:00 AM to 2:00 PM CST.

Does the difference between EAT and CST change during the year?

Yes. CST observes daylight saving and EAT does not, so the gap shifts by an hour at least twice a year. The next clock change is on Sunday, November 1, 2026.

Does CST always mean Central Standard Time?

CST also stands for China Standard Time (UTC+8) and Cuba Standard Time (UTC-5). This page covers the North American one.

Converting between two time zones regularly? Bookmark this page — the clocks update live and the table follows daylight saving automatically.