MST to CDT Time Converter
Central Daylight Time (CDT) is currently 2 hours ahead of Mountain Standard Time (MST). MST is UTC-7 and CDT is UTC-5. The table below converts every hour of the day between the two, and the call planner shows where working hours line up.
Best Time for a Call
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 3:00 PM in MST, which is 11:00 AM to 5:00 PM in CDT.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: MST to CDT
Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.
Does the Difference Change During the Year?
MST and CDT are fixed offsets, so the difference between them never changes.
MST is UTC-7. Most of the Mountain region switches to MDT (UTC-6) in summer, but Arizona stays on MST year round.
CDT is UTC-5, the summer counterpart of CST. Central North America uses it from March to November.
Frequently Asked Questions
How many hours ahead is CDT compared to MST?
CDT is currently 2 hours ahead of MST. MST and CDT are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in MST in CDT?
9:00 AM in MST is 11:00 AM in CDT.
What is the best time for a call between MST and CDT?
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 3:00 PM in MST, which is 11:00 AM to 5:00 PM in CDT.