MDT to AST Time Converter
MDT
07:40 AM
AST
10:40 AM
10 May 2026
MDT
The MDT (Mountain Daylight Time) is applied in part of North America in summer, and is 6 hours behind Coordinated Universal Time (UTC−6) . It begins in March and ends in November. During winter, the people switch back to Mountain Standard Time (MST). Such a shift provides people with more time in the day to spend time outside of the office. Check the MDT Time Now.
AST
AST (Atlantic Standard Time) is 4 hours behind Coordinated Universal Time ( UTC-3:30), used. In sections of North America and the Caribbean. Most of the Caribbean islands remain on AST throughout the year, but Canadian provinces such as Nova Scotia and New Brunswick change to Atlantic Daylight Time (ADT, UTC-3) in summer. Check the AST Time Now.
MDT to AST Chart
| MDT Time | AST Time |
|---|---|
| 12:00 AM | 03:00 AM |
| 01:00 AM | 04:00 AM |
| 02:00 AM | 05:00 AM |
| 03:00 AM | 06:00 AM |
| 04:00 AM | 07:00 AM |
| 05:00 AM | 08:00 AM |
| 06:00 AM | 09:00 AM |
| 07:00 AM | 10:00 AM |
| 08:00 AM | 11:00 AM |
| 09:00 AM | 12:00 PM |
| 10:00 AM | 01:00 PM |
| 11:00 AM | 02:00 PM |
| 12:00 PM | 03:00 PM |
| 01:00 PM | 04:00 PM |
| 02:00 PM | 05:00 PM |
| 03:00 PM | 06:00 PM |
| 04:00 PM | 07:00 PM |
| 05:00 PM | 08:00 PM |
| 06:00 PM | 09:00 PM |
| 07:00 PM | 10:00 PM |
| 08:00 PM | 11:00 PM |
| 09:00 PM | 12:00 AM |
| 10:00 PM | 01:00 AM |
| 11:00 PM | 02:00 AM |