No overlap — one side will join outside working hours
CST (Chicago)
EET (Athens)
00:00
08:00
01:00
09:00Working
02:00
10:00Working
03:00
11:00Working
04:00
12:00Working
05:00
13:00Working
06:00
14:00Working
07:00
15:00Working
08:00
16:00Working
09:00Working
17:00off
10:00Working
18:00off
11:00Working
19:00off
12:00Working
20:00off
13:00Working
21:00off
14:00Working
22:00off
15:00Working
23:00off
16:00Working
00:00+1doff
17:00
01:00+1d
18:00
02:00+1d
19:00
03:00+1d
20:00
04:00+1d
21:00
05:00+1d
22:00
06:00+1d
23:00
07:00+1d
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between cst and eet?
Central Standard Time (cst) is UTC-5 and Eastern European Time (eet) is UTC+3. The difference between them is 8 hours.
Where is cst used?
Central Standard Time (cst) is used in USA and surrounding regions. The IANA timezone identifier is America/Chicago. Note: cst is ambiguous and may refer to other timezones.
Where is eet used?
Eastern European Time (eet) is used in Greece and surrounding regions. The IANA timezone identifier is Europe/Athens.
How do I convert cst to eet?
Use the interactive converter above. Drag the time slider to any cst time and the eet equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
CST (Chicago) is 8 hours behind EET (Athens). Midday in CST (Chicago) lines up with 20:00 in EET (Athens).
CST (Chicago) runs on America/Chicago; EET (Athens) runs on Europe/Athens. Together they are 8 hours apart.
Daily overlap window
There is no business hours overlap between CST (Chicago) and EET (Athens) during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best times to schedule a meeting
CST (Chicago) and EET (Athens) have no shared working window. These slots minimize out-of-hours disruption for both sides.
08:00 Chicago / 16:00 Athens⚡ One side off-hours
⚠️ 1h before working hours in Chicago
09:00 Chicago / 17:00 Athens⚡ One side off-hours
⚠️ 1h after working hours in Athens
07:00 Chicago / 15:00 Athens⚡ One side off-hours
⚠️ 2h before working hours in Chicago
Working hours defined as 09:00–17:00 local time for each location.
Upcoming public holidays
⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.
CST (Chicago)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
EET (Athens)4 holidays
Aug 15Assumption Day
Oct 28Ochi Day
Dec 25Christmas Day
Dec 26St. Stephen's Day
How to work with CST (Chicago) and EET (Athens) time zones
Coordinating between CST (Chicago) (USA) and EET (Athens) (Greece) means working around a 8-hour time difference. Since standard business hours don't naturally overlap, meetings usually require one side to shift slightly outside their normal working day.
💡 How to schedule across these time zones
⚡
A 08:00 meeting in CST (Chicago) means 16:00 in EET (Athens) (1h before working hours in Chicago).
⚡
A 09:00 meeting in CST (Chicago) means 17:00 in EET (Athens) (1h after working hours in Athens).
⚡
A 07:00 meeting in CST (Chicago) means 15:00 in EET (Athens) (2h before working hours in Chicago).
Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am CST (Chicago)".