AST to MST

Atlantic Standard Time

Atlantic Standard Time (AST)

AST is 4 hours behind Universal Time (UTC-4)

↑ ↓

Mountain Standard Time

Mountain Standard Time (MST)

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

AST to MST Time Conversion

When it is 12:00 PM in AST, it is 9:00 AM in MST.

📞The best time to schedule a call is between 12 PM and 5 PM in AST, which is between 9 AM and 2 PM in MST.

Time difference between AST and MST

AST is 3 hours ahead of MST.

🕐 Subtract 3 hours from AST time to get MST time.

AST uses 4 hours behind Universal Time (UTC-4) and MST uses 7 hours behind Universal Time (UTC-7).

AST to MST time conversion chart (24 hours)

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

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

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

AST to MST - Frequently Asked Questions

Q

What is the time difference between AST and MST?

A

AST is 3 hours ahead of MST.

Q

Is AST ahead of or behind MST?

A

AST is ahead of MST by 3 hours.

Q

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

A

It is 6:00 AM in MST.

Convert AST Time to Popular Time Zones

Convert Time in Popular Time Zones to MST