Outils Intosoft

EAT to CST

-9h

EAT

EATSOURCE
UTC+03:00
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

CST

CST
UTC-05:00☀ DST active
HH03
:
MM00
  
03:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
EAT
CST
12:00 AM
4:00 PM-1
2:00 AM
6:00 PM-1
4:00 AM
8:00 PM-1
6:00 AM
10:00 PM-1
8:00 AM
12:00 AM
10:00 AM
2:00 AM
12:00 PM
4:00 AM
2:00 PM
6:00 AM
4:00 PM
8:00 AM
6:00 PM
10:00 AM
8:00 PM
12:00 PM
10:00 PM
2:00 PM

Green rows indicate typical business hours (9 AM - 5 PM)

EAT and CST on the World Map

The map below highlights the EAT (East Africa Time) and CST (Central Standard Time) timezone regions across the globe.

EATCSTNairobiAddis AbabaDar es SalaamKampalaChicagoHoustonDallasSan Antonio
EAT Zone
→
CST Zone

Explore all world timezones interactively →

EAT – East Africa Time

UTC+03:00

East Africa Time (EAT) is the time zone for East Africa, 3 hours ahead of UTC.

Countries in EAT
KenyaEthiopiaTanzaniaUgandaSomaliaMadagascarEritreaDjibouti
Major Cities in EAT
NairobiAddis AbabaDar es SalaamKampalaMogadishuAntananarivo
Key Facts about EAT
  • •Nairobi is a major tech hub in Africa, often called 'Silicon Savannah'.
  • •Ethiopia uses its own calendar, which is 7-8 years behind the Gregorian calendar.
  • •EAT is the same offset as MSK (Moscow Time).
Daylight Saving:No – UTC+03:00 year-round
Learn more about EAT on Wikipedia

CST – Central Standard Time

UTC-06:00

Central Standard Time (CST) is the time zone for the central United States, Canada, and Mexico, 6 hours behind UTC.

Countries in CST
United States (Central)Canada (Manitoba, Saskatchewan)MexicoGuatemalaHondurasEl SalvadorCosta RicaNicaraguaBelize
Major Cities in CST
ChicagoHoustonDallasSan AntonioMexico CityAustinWinnipegMemphisMilwaukeeNashvilleKansas CityNew OrleansMinneapolisGuatemala City
Key Facts about CST
  • •CST covers 20 US states fully or partially.
  • •Chicago and Houston are the two largest cities in the Central Time Zone.
  • •Mexico City, one of the world's most populous cities, operates on CST.
  • •CST is 1 hour behind EST and 2 hours ahead of PST.
Daylight Saving:Yes – switches to CDT
Learn more about CST on Wikipedia

Understanding the -9h Gap: EAT vs CST

EAT runs on East Africa Time (EAT) at UTC+03:00. CST runs on Central Standard Time (CST) at UTC-06:00. That puts EAT 9 hours behind CST — a difference of -9h at the current offsets.

In practice, when it is 9:00 AM in EAT it is 12:00 AM in CST. Midnight in EAT is 3:00 PM in CST. Neither zone observes daylight saving time, so the offset between them stays constant all year.

EAT to CST time conversion table

EAT (EAT)CST (CST)Day
12:00 AM3:00 PMprevious day
6:00 AM9:00 PMprevious day
7:00 AM10:00 PMprevious day
8:00 AM11:00 PMprevious day
9:00 AM12:00 AMsame day
12:00 PM3:00 AMsame day
3:00 PM6:00 AMsame day
5:00 PM8:00 AMsame day
6:00 PM9:00 AMsame day
9:00 PM12:00 PMsame day

Why people convert EAT to CST time

  • Scheduling a call from EAT to CST: a 10:00 AM start in EAT lands at 1:00 AM in CST, so you can confirm the slot without doing the arithmetic yourself.
  • Handling a -9h gap: EAT and CST have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in CST is 12:00 AM in EAT.
  • Keeping family and friends in sync: knowing that 8:00 PM in EAT is 11:00 AM in CST makes it easy to avoid calling at 3 AM.
  • Always state the zone abbreviation, not just the hour. "3:00 PM EAT" is unambiguous; "3 PM" across a -9h gap is not.
  • With a -9h gap there is no shared 9-to-5 window, so alternate the early start: one week EAT takes the early slot, the next week CST does.

About EAT (East Africa Time)

East Africa Time (EAT) is used in the countries of East Africa including Kenya, Ethiopia, Tanzania, Uganda, and others. EAT does not observe daylight saving time and shares the same offset as Moscow Standard Time (MSK).

About CST (Central Standard Time)

Central Standard Time (CST) covers the central region of North America. It is the second most populous time zone in the US, including major cities like Chicago, Houston, and Dallas. CST is also used in Mexico City and much of Central America including Guatemala, Honduras, El Salvador, and Costa Rica. During summer, most of the US and Canada switch to Central Daylight Time (CDT, UTC-05:00), while Mexico and Central American countries generally remain on CST.

Best time to call between EAT and CST

With a -9h offset there is no overlap inside a normal 9 AM – 5 PM day. CST opens at 9:00 AM CST, which is 12:00 AM in EAT, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

EAT and CST have no shared working hours because of the -9h gap. Teams need to alternate early starts or rely on asynchronous handovers.

EAT is 9 hours behind CST (EAT UTC+03:00 → CST UTC-06:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

EAT

Does not observe DST

CST

☀ Currently in DST

Standard: UTC-06:00 · DST: UTC-05:00

Clocks fall back on Sun, Nov 1, 2026

Frequently Asked Questions

What is the time difference between EAT and CST?

EAT (EAT, UTC+03:00) is 9 hours behind CST (CST, UTC-06:00). The gap is currently -9h.

How do I convert EAT time to CST time?

Add -9h to EAT local time. For example, 9:00 AM in EAT is 12:00 AM in CST.

What time is it in CST right now?

CST uses CST at UTC-06:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -9h offset from EAT.

What is the best time to call CST from EAT?

There is no shared working-hours window because of the -9h gap. The closest option is 1:00 PM in EAT, which is 4:00 AM in CST.

Which is behind, EAT or CST?

EAT is 9 hours behind CST. When it is 12:00 PM in EAT it is 3:00 AM in CST.

Does daylight saving time affect the EAT–CST difference?

Neither zone observes daylight saving time, so the -9h offset between EAT and CST is fixed all year.

Which other cities share EAT's time zone?

EAT also covers Nairobi, Addis Ababa, Dar es Salaam, Kampala, Mogadishu, Antananarivo.

Which countries use EAT, EAT's zone?

EAT is used in Kenya, Ethiopia, Tanzania, Uganda, Somalia, Madagascar, Eritrea, Djibouti.

Is there a day difference between EAT and CST?

Not normally. The -9h gap only pushes the date over the previous day.

What is the time difference between EAT and CST?

CST is -9h from EAT.

What timezone is EAT in?

EAT operates on its local timezone.

What timezone is CST in?

CST operates on its local timezone.

Which countries use EAT (East Africa Time)?

EAT is used in Kenya, Ethiopia, Tanzania, Uganda, Somalia, Madagascar, and 2 more countries.

Does EAT observe daylight saving time?

No, EAT does not observe daylight saving time and remains at UTC+03:00 year-round.

What are some interesting facts about EAT?

Nairobi is a major tech hub in Africa, often called 'Silicon Savannah'. Ethiopia uses its own calendar, which is 7-8 years behind the Gregorian calendar.

Which cities are in the CST timezone?

Major cities in the CST timezone include Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis.

What is the UTC offset for CST?

Central Standard Time (CST) is at UTC-06:00. During daylight saving time, it shifts to CDT.

What should I know about the CST timezone?

CST covers 20 US states fully or partially. Chicago and Houston are the two largest cities in the Central Time Zone.

When is it midnight in EAT, what time is it in CST?

When it is 12:00 AM (midnight) in EAT (EAT), it is -9h later in CST (CST).