Quarter to Twelve

Time in AST and MDT

The time difference between Atlantic Standard Time (AST) and Mountain Daylight Time (MDT) is 2 hours. Mountain Daylight Time is 2 hours behind Atlantic Standard Time.

Atlantic Standard Time

  • The current local time in AST is 2:45 pm (April 24, 2024)
  • AST time zone offset is UTC-04:00

Mountain Daylight Time

  • The current local time in MDT is 12:45 pm (April 24, 2024)
  • MDT time zone offset is UTC-06:00

How to convert Atlantic Standard Time to Mountain Daylight Time?

Subtract 2 hours from Atlantic Standard Time to get Mountain Daylight Time.

Time in AST

00:00

Time in MDT

00:00

Use the slider above to convert Atlantic Standard Time to Mountain Daylight Time and view the day and night map at different times.

Day–night colors on the map:
Day colors Day
Civil twilight colors Civil twilight
Nautical twilight colors Nautical twilight
Astronomical twilight colors Astronomical twilight
Night colors Night

Time Conversion Chart

ASTMDT
12am10pm
1am11pm
2am12am
3am1am
4am2am
5am3am
6am4am
7am5am
8am6am
9am7am
10am8am
11am9am
12pm10am
1pm11am
2pm12pm
3pm1pm
4pm2pm
5pm3pm
6pm4pm
7pm5pm
8pm6pm
9pm7pm
10pm8pm
11pm9pm