When it's 9:00 am in Chicago, it's 8:00 am in Denver. Your 9-to-5 working days overlap for 7 hours, so there's room for a meeting most days.
Convert Central Standard Time (CST) to Mountain Standard Time (MST) for any date and time.
Mountain Time is 1 hour behind Central Time all year.
Right now Central Time is on CST (UTC−6) and Mountain Time is on MST (UTC−7). Both switch to daylight saving time on 14 March 2027.
9:00 am to 5:00 pm CST is 8:00 am to 4:00 pm MST.
Central TimeReference
US, Canada & Mexico
Tue, Nov 3
Mountain Time
US & Canada; Arizona stays on MST
Tue, Nov 3
Best time to meet 10:00 AM–5:00 PM in Central Time on Tue, Nov 3, 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 CST, converted to MST. Hatched cells are working hours (9:00 am to 5:00 pm); rows with the accent bar are working hours in both zones.
| CST | MST |
|---|---|
| 12:00 am CST | 11:00 pm MST(day before) |
| 1:00 am CST | 12:00 am MST |
| 2:00 am CST | 1:00 am MST |
| 3:00 am CST | 2:00 am MST |
| 4:00 am CST | 3:00 am MST |
| 5:00 am CST | 4:00 am MST |
| 6:00 am CST | 5:00 am MST |
| 7:00 am CST | 6:00 am MST |
| 8:00 am CST | 7:00 am MST |
| 9:00 am CST | 8:00 am MST |
| 10:00 am CST | 9:00 am MST |
| 11:00 am CST | 10:00 am MST |
| 12:00 pm CST | 11:00 am MST |
| 1:00 pm CST | 12:00 pm MST |
| 2:00 pm CST | 1:00 pm MST |
| 3:00 pm CST | 2:00 pm MST |
| 4:00 pm CST | 3:00 pm MST |
| 5:00 pm CST | 4:00 pm MST |
| 6:00 pm CST | 5:00 pm MST |
| 7:00 pm CST | 6:00 pm MST |
| 8:00 pm CST | 7:00 pm MST |
| 9:00 pm CST | 8:00 pm MST |
| 10:00 pm CST | 9:00 pm MST |
| 11:00 pm CST | 10:00 pm MST |
Your working hours overlap for 7 hours, from 10:00 am CST (9:00 am MST) to 5:00 pm CST (4:00 pm MST). That's the best window for a meeting.
Central Standard Time is UTC−6. CST is also used for China Standard Time (UTC+8) and Cuba Standard Time (UTC−5). This page converts North American Central Time.
Texas, Illinois, Minnesota, Louisiana and most of the Midwest and South, plus Manitoba in Canada. Saskatchewan and most of Mexico stay on CST all year. CT is the short form for the whole zone.
Mountain Standard Time is UTC−7. MST is also used for Malaysia Standard Time (UTC+8). This page converts US Mountain Time.
Colorado, Utah, New Mexico, Wyoming, Montana and southern Idaho, plus Alberta in Canada. Most of Arizona stays on MST all year (the Navajo Nation follows daylight saving time). MT is the short form for the whole zone.