Time in MDT and AMST
The time difference between Mountain Daylight Time (MDT) and Amazon Summer Time (AMST) is 3 hours. Amazon Summer Time is 3 hours ahead of Mountain Daylight Time.
This means 9am MDT is 12pm AMST and 5pm MDT is 8pm AMST.
Mountain Daylight Time
- The current local time in MDT is 2:08 am (July 9, 2026)
- MDT time zone offset is UTC-06:00
Amazon Summer Time
- The current local time in AMST is 11:08 pm (July 8, 2026)
- AMST time zone offset is UTC-03:00
How to convert Mountain Daylight Time to Amazon Summer Time?
Add 3 hours to Mountain Daylight Time to get Amazon Summer Time.
Time in MDT
00:00
Time in AMST
00:00
Use the slider above to convert Mountain Daylight Time to Amazon Summer Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| MDT | AMST |
|---|---|
| 12am | 3am |
| 1am | 4am |
| 2am | 5am |
| 3am | 6am |
| 4am | 7am |
| 5am | 8am |
| 6am | 9am |
| 7am | 10am |
| 8am | 11am |
| 9am | 12pm |
| 10am | 1pm |
| 11am | 2pm |
| 12pm | 3pm |
| 1pm | 4pm |
| 2pm | 5pm |
| 3pm | 6pm |
| 4pm | 7pm |
| 5pm | 8pm |
| 6pm | 9pm |
| 7pm | 10pm |
| 8pm | 11pm |
| 9pm | 12am |
| 10pm | 1am |
| 11pm | 2am |