Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between cdt and mst?
Central Daylight Time (cdt) is UTC-5 and Mountain Standard Time (mst) is UTC-6. 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 mst used?
Mountain Standard Time (mst) is used in USA and surrounding regions. The IANA timezone identifier is America/Denver.
How do I convert cdt to mst?
Use the interactive converter above. Drag the time slider to any cdt time and the mst equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
CDT (Chicago) to MST (Denver) — exact time difference
CDT (Chicago) is 1 hour ahead of MST (Denver). At noon in CDT (Chicago), your contact in MST (Denver) sees 11:00.
CDT (Chicago) is in the America/Chicago timezone. MST (Denver) is in America/Denver. The difference is 1 hour.
Working hours overlap
CDT (Chicago) and MST (Denver) share 7 hours of overlapping business hours daily — enough for real-time collaboration without anyone joining at odd hours.
00:0006:0012:0018:0024:00
CDT (Chicago)
MST (Denver)
Overlap (7h)
Recommended meeting windows
Both CDT (Chicago) and MST (Denver) are in standard hours simultaneously for 7h per day. 3 recommended slots shown below.
10:00 Chicago / 09:00 Denver✓ Both working
11:00 Chicago / 10:00 Denver✓ Both working
12:00 Chicago / 11:00 Denver✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Public holidays for both locations
⚡ Holiday alerts for both locations, double-check schedules before confirming.
CDT (Chicago)8 holidays
Jun 19Juneteenth National Independence DaySOON
Jul 3Independence Day
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
MST (Denver)8 holidays
Jun 19Juneteenth National Independence DaySOON
Jul 3Independence Day
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Scheduling between CDT (Chicago) and MST (Denver)
CDT (Chicago) (USA) leads MST (Denver) (USA) by 1 hours. Despite the gap, a 7-hour window of shared business hours each day keeps real-time collaboration practical for both sides.
💡 Scheduling tips for these locations
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10:00–11:00 in CDT (Chicago) = 09:00–10:00 in MST (Denver). Both sides are in standard business hours during this window.
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11:00–12:00 in CDT (Chicago) = 10:00–11:00 in MST (Denver). Both sides are in standard business hours during this window.
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12:00–13:00 in CDT (Chicago) = 11:00–12:00 in MST (Denver). 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 CDT (Chicago). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
