AST to HST

Atlantic Standard Time

Atlantic Standard Time (AST)

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

↑ ↓

Hawaii Standard Time

Hawaii Standard Time (HST)

HST is 10 hours behind Universal Time (UTC-1)

AST to HST Time Conversion

When it is 12:00 PM in AST, it is 6:00 AM in HST.

📞The best time to schedule a call is between 3 PM and 5 PM in AST, which is between 9 AM and 11 AM in HST.

Time difference between AST and HST

AST is 6 hours ahead of HST.

🕐 Subtract 6 hours from AST time to get HST time.

AST uses 4 hours behind Universal Time (UTC-4) and HST uses 10 hours behind Universal Time (UTC-1).

AST to HST time conversion chart (24 hours)

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

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

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

AST to HST - Frequently Asked Questions

Q

What is the time difference between AST and HST?

A

AST is 6 hours ahead of HST.

Q

Is AST ahead of or behind HST?

A

AST is ahead of HST by 6 hours.

Q

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

A

It is 3:00 AM in HST.

Convert AST Time to Popular Time Zones

Convert Time in Popular Time Zones to HST