GST to AST

Gulf Standard Time

Gulf Standard Time (GST)

GST is 4 hours ahead of Universal Time (UTC+4)

↑ ↓

Atlantic Standard Time

Atlantic Standard Time (AST)

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

GST to AST Time Conversion

When it is 12:00 PM in GST, it is 4:00 AM in AST.

📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.

Time difference between GST and AST

GST is 8 hours ahead of AST.

🕐 Subtract 8 hours from GST time to get AST time.

GST uses 4 hours ahead of Universal Time (UTC+4) and AST uses 4 hours behind Universal Time (UTC-4).

GST to AST time conversion chart (24 hours)

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

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

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

GST to AST - Frequently Asked Questions

Q

What is the time difference between GST and AST?

A

GST is 8 hours ahead of AST.

Q

Is GST ahead of or behind AST?

A

GST is ahead of AST by 8 hours.

Q

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

A

It is 1:00 AM in AST.

Convert GST Time to Popular Time Zones

Convert Time in Popular Time Zones to AST