Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between cdt and edt?
Central Daylight Time (cdt) is UTC-5 and Eastern Daylight Time (edt) is UTC-4. The difference between them is 1 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 edt used?
Eastern Daylight Time (edt) is used in USA and surrounding regions. The IANA timezone identifier is America/New_York.
How do I convert cdt to edt?
Use the interactive converter above. Drag the time slider to any cdt time and the edt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
CDT (Chicago) is 1 hour behind EDT (New York). Midday in CDT (Chicago) lines up with 13:00 in EDT (New York).
CDT (Chicago) observes America/Chicago and EDT (New York) observes America/New_York — a 1 hour gap between them.
Shared working hours
There is a 7-hour window each day where both CDT (Chicago) and EDT (New York) are within standard business hours (09:00–17:00).
00:0006:0012:0018:0024:00
CDT (Chicago)
EDT (New York)
Overlap (7h)
Optimal meeting slots
CDT (Chicago) and EDT (New York) share 7 hours of business hours overlap daily. Showing the 3 most balanced slots — see the time table below for the full window.
09:00 Chicago / 10:00 New York✓ Both working
10:00 Chicago / 11:00 New York✓ Both working
11:00 Chicago / 12:00 New York✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Upcoming public holidays
⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.
CDT (Chicago)8 holidays
Jun 19Juneteenth National Independence DaySOON
Jul 3Independence Day
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
EDT (New York)8 holidays
Jun 19Juneteenth National Independence DaySOON
Jul 3Independence Day
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
How to work with CDT (Chicago) and EDT (New York) time zones
Coordinating between CDT (Chicago) (USA) and EDT (New York) (USA) means working around a 1-hour time difference. The 7-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.
💡 How to schedule across these time zones
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Schedule at 09:00–10:00 (CDT (Chicago)) for a 10:00–11:00 slot in EDT (New York) — the sweet spot where both teams are working.
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Schedule at 10:00–11:00 (CDT (Chicago)) for a 11:00–12:00 slot in EDT (New York) — the sweet spot where both teams are working.
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Schedule at 11:00–12:00 (CDT (Chicago)) for a 12:00–13:00 slot in EDT (New York) — the sweet spot where both teams are working.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any CDT (Chicago) time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
