GST to AST time converter
Atlantic Time (AST) is 8 hours behind Gulf Standard Time (GST) in January and 7 hours behind in July, because daylight saving time shifts the difference. Use the grid below to line up Dubai and Halifax: drag the cursor across the day, and working hours (9 AM–5 PM) are highlighted in every row so you can spot a slot that suits both sides.
Right now it is 13:43 GST in Dubai and 06:43 ADT in Halifax.
2/10 zones · drag the tape, scroll sideways or use the arrow keys; Home jumps back to now.
GST to AST: frequently asked
What is the time difference between GST and AST?
Atlantic Time (AST) is 8 hours behind Gulf Standard Time (GST) in January and 7 hours behind in July, because daylight saving time shifts the difference.
What time is 9 AM GST in AST?
9:00 AM GST is 1:00 AM AST in January, and 2:00 AM AST in July.
When do working hours overlap between Dubai and Halifax?
In January: Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 5:00 PM GST, which is 9:00 AM AST. In July: Both sides are within 9:00 AM–5:00 PM working hours between 4:00 PM and 5:00 PM GST (9:00 AM to 10:00 AM AST).