MST to AST Time Converter
MST
07:24 AM
AST
10:24 AM
10 May 2026
MST
In North America, it is considered Mountain Standard Time (MST -7), which is 7 hours behind Coordinated Universal Time (UTC-7) . Most of the areas, such as Alberta and Colorado, become Mountain Daylight Time (MDT) during the summer season, but Arizona does not. This uniformity causes Arizona to be a skeleton in the time system of North America. Check the MST 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.
MST to AST Chart
| MST 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 |