EEST to CST
-9hEEST
EESTSOURCECST
CSTGreen rows indicate typical business hours (9 AM - 5 PM)
EEST and CST on the World Map
The map below highlights the EEST (Eastern European Summer Time) and CST (Central Standard Time) timezone regions across the globe.
EEST – Eastern European Summer Time
UTC+03:00Eastern European Summer Time (EEST, UTC+03:00) is the daylight saving period across eastern Europe, from late March to late October.
- •EEST runs from the last Sunday in March to the last Sunday in October.
- •EEST is one hour ahead of Eastern European Time (EET, UTC+02:00).
- •During EEST, eastern Europe is level with Moscow, Istanbul and Riyadh.
- •EEST follows the EU-wide summer time schedule.
CST – Central Standard Time
UTC-06:00Central Standard Time (CST) is the time zone for the central United States, Canada, and Mexico, 6 hours behind UTC.
- •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.
Comparing Time Zones: EEST and CST
EEST runs on Eastern European Summer Time (EEST) at UTC+03:00. CST runs on Central Standard Time (CST) at UTC-06:00. That puts EEST 9 hours behind CST — a difference of -9h at the current offsets.
In practice, when it is 9:00 AM in EEST it is 12:00 AM in CST. Midnight in EEST is 3:00 PM in CST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
EEST to CST time conversion table
| EEST (EEST) | CST (CST) | Day |
|---|---|---|
| 12:00 AM | 3:00 PM | previous day |
| 6:00 AM | 9:00 PM | previous day |
| 7:00 AM | 10:00 PM | previous day |
| 8:00 AM | 11:00 PM | previous day |
| 9:00 AM | 12:00 AM | same day |
| 12:00 PM | 3:00 AM | same day |
| 3:00 PM | 6:00 AM | same day |
| 5:00 PM | 8:00 AM | same day |
| 6:00 PM | 9:00 AM | same day |
| 9:00 PM | 12:00 PM | same day |
Why people convert EEST to CST time
- Scheduling a call from EEST to CST: a 10:00 AM start in EEST lands at 1:00 AM in CST, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -9h gap: EEST 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 EEST.
- Coordinating a EEST-based team with CST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM EEST" 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 EEST takes the early slot, the next week CST does.
About EEST (Eastern European Summer Time)
Eastern European Summer Time (EEST) is the daylight saving period used across eastern Europe, when clocks move one hour forward from Eastern European Time (EET, UTC+02:00) to UTC+03:00. It runs from the last Sunday in March to the last Sunday in October, in step with the rest of the European Union. EEST covers Greece, Finland, Romania, Bulgaria, the Baltic states, Ukraine and Moldova, and matches the offset used year-round by Moscow, Istanbul and Riyadh during those months. Athens and Helsinki both sit near the western edge of the EEST band, so summer evenings stay light well past 21:00.
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 EEST 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 EEST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
EEST and CST have no shared working hours because of the -9h gap. Teams need to alternate early starts or rely on asynchronous handovers.
EEST is 9 hours behind CST (EEST 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
EEST
☀ Currently in DST
Standard: UTC+02:00 · DST: UTC+03:00
Clocks fall back on Sun, Oct 25, 2026
CST
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
Clocks fall back on Sun, Nov 1, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between EEST and CST?
EEST (EEST, UTC+03:00) is 9 hours behind CST (CST, UTC-06:00). The gap is currently -9h.
How do I convert EEST time to CST time?
Add -9h to EEST local time. For example, 9:00 AM in EEST 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 EEST.
What is the best time to call CST from EEST?
There is no shared working-hours window because of the -9h gap. The closest option is 1:00 PM in EEST, which is 4:00 AM in CST.
Which is behind, EEST or CST?
EEST is 9 hours behind CST. When it is 12:00 PM in EEST it is 3:00 AM in CST.
Does daylight saving time affect the EEST–CST difference?
Neither zone observes daylight saving time, so the -9h offset between EEST and CST is fixed all year.
Which other cities share EEST's time zone?
EEST also covers Athens, Helsinki, Bucharest, Sofia, Kyiv, Riga.
Which countries use EEST, EEST's zone?
EEST is used in Greece, Finland, Romania, Bulgaria, Estonia, Latvia, Lithuania, Ukraine and 2 more.
Is there a day difference between EEST and CST?
Not normally. The -9h gap only pushes the date over the previous day.
What is the time difference between EEST and CST?
CST is -9h from EEST.
What timezone is EEST in?
EEST operates on its local timezone.
What timezone is CST in?
CST operates on its local timezone.
Which countries use EEST (Eastern European Summer Time)?
EEST is used in Greece, Finland, Romania, Bulgaria, Estonia, Latvia, and 4 more countries.
Does EEST observe daylight saving time?
Yes, EEST switches to EEST during summer months.
What are some interesting facts about EEST?
EEST runs from the last Sunday in March to the last Sunday in October. EEST is one hour ahead of Eastern European Time (EET, UTC+02:00).
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 EEST, what time is it in CST?
When it is 12:00 AM (midnight) in EEST (EEST), it is -9h later in CST (CST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More EEST time conversions
- eest to athens
- eest to eet
- eest to greece
- eest to new york
- eest to london
- eest to dubai
- eest to tokyo
- eest to singapore
- eest to sydney
- eest to los angeles
- eest to paris
- eest to delhi
- eest to mumbai
- eest to berlin
- eest to hong kong
- eest to toronto
- eest to kathmandu
- new york to eest
- london to eest
- dubai to eest
- tokyo to eest
- singapore to eest
- sydney to eest
- los angeles to eest
- paris to eest
- delhi to eest
- mumbai to eest
- berlin to eest
- hong kong to eest
- toronto to eest
- kathmandu to eest
See every conversion from EEST →·See every conversion from CST →