MST to ADT

Mountain Standard Time

Mountain Standard Time (MST)

MST is 7 hours behind Universal Time (UTC-7)

↑ ↓

Atlantic Daylight Time

Atlantic Daylight Time (ADT)

ADT is 3 hours behind Universal Time (UTC-3)

MST to ADT Time Conversion

When it is 12:00 PM in MST, it is 4:00 PM in ADT.

📞The best time to schedule a call is between 9 AM and 1 PM in MST, which is between 1 PM and 5 PM in ADT.

Time difference between MST and ADT

MST is 4 hours behind ADT.

🕐 Add 4 hours to MST time to get ADT time.

MST uses 7 hours behind Universal Time (UTC-7) and ADT uses 3 hours behind Universal Time (UTC-3).

MST to ADT time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between MST and ADT.

MST Time		ADT Time
12 AM MST Time	↔	4 AM ADT Time
1 AM MST Time	↔	5 AM ADT Time
2 AM MST Time	↔	6 AM ADT Time
3 AM MST Time	↔	7 AM ADT Time
4 AM MST Time	↔	8 AM ADT Time
5 AM MST Time	↔	9 AM ADT Time
6 AM MST Time	↔	10 AM ADT Time
7 AM MST Time	↔	11 AM ADT Time
8 AM MST Time	↔	12 PM ADT Time
9 AM MST Time	↔	1 PM ADT Time
10 AM MST Time	↔	2 PM ADT Time
11 AM MST Time	↔	3 PM ADT Time

MST Time		ADT Time
12 PM MST Time	↔	4 PM ADT Time
1 PM MST Time	↔	5 PM ADT Time
2 PM MST Time	↔	6 PM ADT Time
3 PM MST Time	↔	7 PM ADT Time
4 PM MST Time	↔	8 PM ADT Time
5 PM MST Time	↔	9 PM ADT Time
6 PM MST Time	↔	10 PM ADT Time
7 PM MST Time	↔	11 PM ADT Time
8 PM MST Time	↔	12 AM ADT Time
9 PM MST Time	↔	1 AM ADT Time
10 PM MST Time	↔	2 AM ADT Time
11 PM MST Time	↔	3 AM ADT Time

MST to ADT - Frequently Asked Questions

Q

What is the time difference between MST and ADT?

A

MST is 4 hours behind ADT.

Q

Is MST ahead of or behind ADT?

A

MST is behind ADT by 4 hours.

Q

When it is 9:00 AM in MST, what time is it in ADT?

A

It is 1:00 PM in ADT.

Convert MST Time to Popular Time Zones

Convert Time in Popular Time Zones to ADT