No overlap — one side will join outside working hours
CDT (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 cdt and eet?
Central Daylight Time (cdt) is UTC-5 and Eastern European Time (eet) is UTC+3. The difference between them is 8 hours.
Where is cdt used?
Central Daylight Time (cdt) is used in USA and surrounding regions. The IANA timezone identifier is America/Chicago.
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 cdt to eet?
Use the interactive converter above. Drag the time slider to any cdt time and the eet equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
CDT (Chicago) is 8 hours behind EET (Athens). When it's noon in CDT (Chicago), it's 20:00 in EET (Athens).
CDT (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 CDT (Chicago) and EET (Athens) during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best call times between these locations
CDT (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.
Public holidays this year
⚡ Upcoming holidays in both locations, confirm with your contact before booking.
CDT (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
CDT (Chicago) and EET (Athens) — practical scheduling
Coordinating between CDT (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.
💡 Practical scheduling guidelines
⚡
A 08:00 meeting in CDT (Chicago) means 16:00 in EET (Athens) (1h before working hours in Chicago).
⚡
A 09:00 meeting in CDT (Chicago) means 17:00 in EET (Athens) (1h after working hours in Athens).
⚡
A 07:00 meeting in CDT (Chicago) means 15:00 in EET (Athens) (2h before working hours in Chicago).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
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 CDT (Chicago)".
