From
GST
Time Converter
GST to AST Time Converter
Convert Gulf Time to Atlantic Time with a live clock and clean permalinks.
To
AST / ADT
When it is 7:30 AM in Gulf Time, it is 12:30 AM in Atlantic Time.
GST to AST at a glance
Atlantic Time is 7 hours behind Gulf Time. If someone gives you a time in Gulf Time, move the clock by 7 hours to read it in Atlantic Time. A 9:00 AM start in Dubai becomes 2:00 AM in Halifax.
What Gulf Time covers
Gulf Time is the local clock in Dubai and the UAE. It stays the same throughout the year. It is common for Middle East business hours, aviation, and regional commerce.
What Atlantic Time covers
Atlantic Time is used in eastern Canada and parts of the Caribbean. Halifax is a common city reference for it. It matters when scheduling across North America and island markets farther east.
Quick answers
What is the time difference between GST and AST?
Atlantic Time is 7 hours behind Gulf Time.
What happens to a 3:00 PM meeting in GST?
It lands at 8:00 AM in AST.
Does daylight saving time matter for GST to AST?
Gulf Time and Atlantic Time are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.