When it's 9:00 am in Denver, it's 10:00 am in Chicago. Your 9-to-5 working days overlap for 7 hours, so there's room for a meeting most days.
Convert Mountain Daylight Time (MDT) to Central Daylight Time (CDT) for any date and time.
Central Time is 1 hour ahead of Mountain Time all year.
Right now Mountain Time is on MST (UTC−7) and Central Time is on CST (UTC−6). Both switch to daylight saving time on 14 March 2027.
9:00 am to 5:00 pm MDT is 10:00 am to 6:00 pm CDT.
Mountain TimeReference
US & Canada; Arizona stays on MST
Wed, Nov 4
Central Time
US, Canada & Mexico
Wed, Nov 4
Best time to meet 9:00 AM–4:00 PM in Mountain Time on Wed, Nov 4, when everyone is inside working hours.
Book a meeting in this windowWorking hours: 9:00 AM–5:00 PM, Monday to FridayEveryone at work
Every hour of the day in MDT, converted to CDT. Hatched cells are working hours (9:00 am to 5:00 pm); rows with the accent bar are working hours in both zones.
| MDT | CDT |
|---|---|
| 12:00 am MDT | 1:00 am CDT |
| 1:00 am MDT | 2:00 am CDT |
| 2:00 am MDT | 3:00 am CDT |
| 3:00 am MDT | 4:00 am CDT |
| 4:00 am MDT | 5:00 am CDT |
| 5:00 am MDT | 6:00 am CDT |
| 6:00 am MDT | 7:00 am CDT |
| 7:00 am MDT | 8:00 am CDT |
| 8:00 am MDT | 9:00 am CDT |
| 9:00 am MDT | 10:00 am CDT |
| 10:00 am MDT | 11:00 am CDT |
| 11:00 am MDT | 12:00 pm CDT |
| 12:00 pm MDT | 1:00 pm CDT |
| 1:00 pm MDT | 2:00 pm CDT |
| 2:00 pm MDT | 3:00 pm CDT |
| 3:00 pm MDT | 4:00 pm CDT |
| 4:00 pm MDT | 5:00 pm CDT |
| 5:00 pm MDT | 6:00 pm CDT |
| 6:00 pm MDT | 7:00 pm CDT |
| 7:00 pm MDT | 8:00 pm CDT |
| 8:00 pm MDT | 9:00 pm CDT |
| 9:00 pm MDT | 10:00 pm CDT |
| 10:00 pm MDT | 11:00 pm CDT |
| 11:00 pm MDT | 12:00 am CDT(next day) |
Your working hours overlap for 7 hours, from 9:00 am MDT (10:00 am CDT) to 4:00 pm MDT (5:00 pm CDT). That's the best window for a meeting.
Mountain Daylight Time is UTC−6.
Colorado, Utah, New Mexico, Wyoming, Montana and southern Idaho, plus Alberta, from March to November. Most of Arizona never uses MDT: it stays on MST all year.
MDT isn't in use at the moment: Mountain Time is on MST (UTC−7) until 14 March 2027. The times on this page follow the clocks, so they show MST.
Central Daylight Time is UTC−5. CDT is also used for Cuba Daylight Time (UTC−4). This page converts North American Central Time.
Texas, Illinois, Minnesota, Louisiana and most of the Midwest and South, plus Manitoba, from March to November. Saskatchewan and most of Mexico don't switch to CDT.
CDT isn't in use at the moment: Central Time is on CST (UTC−6) until 14 March 2027. The times on this page follow the clocks, so they show CST.