CST to MDT Time Converter
Central Standard Time (CST) and Mountain Daylight Time (MDT) are currently on the same time. CST is UTC-6 and MDT is UTC-6. 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
CST and MDT keep the same clock time, so anything inside normal working hours suits both sides.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: CST to MDT
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?
CST and MDT are fixed offsets, so the difference between them never changes.
This page covers North American Central Standard Time, UTC-6. The region switches to CDT (UTC-5) in summer. CST can also refer to China Standard Time, which is UTC+8.
MDT is UTC-6, the summer counterpart of MST, used from March to November.
Frequently Asked Questions
How many hours ahead is MDT compared to CST?
MDT and CST are currently on the same time. CST and MDT are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in CST in MDT?
9:00 AM in CST is 9:00 AM in MDT.
What is the best time for a call between CST and MDT?
CST and MDT keep the same clock time, so anything inside normal working hours suits both sides.