CDT to MDT Converter
Understanding CDT and MDT Time Zones
Central Daylight Time (CDT)
Central Daylight Time is observed in undefined and uses the offset UTC-5. Major cities in this time zone include Chicago, Houston, Dallas, Minneapolis. This time zone serves a significant global region with important economic and cultural hubs.
Mountain Daylight Time (MDT)
Mountain Daylight Time operates at UTC-6, covering undefined. Key cities include Denver, Salt Lake City, Albuquerque. The 1-hour backward offset from CDT means that when professionals in Chicago start their workday at 9:00 AM, it is already 8:00 AM in Denver.
CDT is also commonly referred to as Central Time, Central Daylight, CT, Chicago time. MDT is also known as Mountain Time, Mountain Daylight, MT, Denver time. So if you are searching for Central Time to Mountain Time, this is the same conversion as CDT to MDT.
Complete CDT to MDT Conversion Table
The table below shows every two-hour increment converted from Central Daylight Time to Mountain Daylight Time. Business hours (9 AM – 5 PM) are highlighted for easy scheduling reference.
| CDT (Central Daylight Time) | MDT (Mountain Daylight Time) |
|---|---|
| 12:00 AM (00:00) | 11:00 PM (23:00) (previous day) |
| 2:00 AM (02:00) | 1:00 AM (01:00) |
| 4:00 AM (04:00) | 3:00 AM (03:00) |
| 6:00 AM (06:00) | 5:00 AM (05:00) |
| 8:00 AM (08:00) | 7:00 AM (07:00) |
| 10:00 AM (10:00) | 9:00 AM (09:00) |
| 12:00 PM (12:00) | 11:00 AM (11:00) |
| 2:00 PM (14:00) | 1:00 PM (13:00) |
| 4:00 PM (16:00) | 3:00 PM (15:00) |
| 6:00 PM (18:00) | 5:00 PM (17:00) |
| 8:00 PM (20:00) | 7:00 PM (19:00) |
| 10:00 PM (22:00) | 9:00 PM (21:00) |
Times shown in 12-hour and 24-hour format. Last updated 2026-03-09.
Scheduling Between CDT and MDT
Remote teams spanning Chicago and Denver often adopt asynchronous practices to bridge the 1-hour gap. Tools like Slack, Loom, and Notion reduce the need for real-time overlap while keeping projects moving forward.
The small 1-hour gap between CDT and MDT means that most of the business day overlaps, making real-time collaboration straightforward. Morning meetings in CDT align well with early morning schedules in MDT.
Travel Between Chicago and Denver
When arriving in Denver from Chicago, immediately set all devices to local time. Exposure to natural daylight at the destination helps reset your circadian rhythm. Westbound travelers should seek afternoon light.
Medical experts recommend allowing approximately one day of adjustment per hour of time difference. For the 1-hour shift between CDT and MDT, plan for a quick adjustment of 1–2 days.
Daylight Saving Time Considerations
Keep in mind that DST transition dates differ between regions. The US changes clocks in March and November, Europe in March and October, and Australia in April and October. This can cause temporary shifts in conversion results.
For the CDT to MDT conversion specifically: CDT (UTC-5) and MDT (UTC-6) both observe DST. When both zones transition on different dates, the offset temporarily shifts by one hour for a few weeks. Always verify during March–April and October–November.
Related Time Zone Conversions
References & Resources
Frequently Asked Questions
CDT (Central Daylight Time) is 1 hour ahead of MDT (Mountain Daylight Time). CDT is UTC-5 and MDT is UTC-6.
When it is 12:00 PM (noon) in CDT, it is 11:00 AM in MDT.
The best overlap for business hours is approximately 8:00 AM to 4:00 PM MDT, which corresponds to 9:00 AM to 5:00 PM in CDT.
Keep in mind that DST transition dates differ between regions. The US changes clocks in March and November, Europe in March and October, and Australia in April and October. This can cause temporary shifts in conversion results.