Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between cst and cet?
Central Standard Time (cst) is UTC-5 and Central European Time (cet) is UTC+2. The difference between them is 7 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 cet used?
Central European Time (cet) is used in France and surrounding regions. The IANA timezone identifier is Europe/Paris.
How do I convert cst to cet?
Use the interactive converter above. Drag the time slider to any cst time and the cet equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
CST (Chicago) is 7 hours behind CET (Paris). When CST (Chicago) clocks hit noon, CET (Paris) reads 19:00.
CST (Chicago) is in the America/Chicago timezone. CET (Paris) is in Europe/Paris. The difference is 7 hours.
Business hours comparison
Every working day, CST (Chicago) and CET (Paris) are both in business hours for 1 hour simultaneously.
00:0006:0012:0018:0024:00
CST (Chicago)
CET (Paris)
Overlap (1h)
When to schedule across time zones
Both CST (Chicago) and CET (Paris) are in standard hours simultaneously for 1h per day.
09:00 Chicago / 16:00 Paris✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
CST (Chicago)8 holidays
Jun 19Juneteenth National Independence DaySOON
Jul 3Independence Day
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
CET (Paris)5 holidays
Jul 14Bastille Day
Aug 15Assumption Day
Nov 1All Saints' Day
Nov 11Armistice Day
Dec 25Christmas Day
Working across CST (Chicago) and CET (Paris)
Working across CST (Chicago) (USA) and CET (Paris) (France) involves a 7-hour gap. The good news: there is a 1-hour mutual window in standard business hours that lets both sides collaborate without anyone joining at an unreasonable hour.
💡 Best practice for cross-timezone meetings
✅
09:00–10:00 in CST (Chicago) = 16:00–17:00 in CET (Paris). Both sides are in standard business hours during this window.
DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.
Use the time slider above to find the exact equivalent time for any moment in CST (Chicago). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.