From
AST / ADT
Time Converter
AST to IST Time Converter
Convert Atlantic Time to India Time with a live clock and clean permalinks.
To
IST
When it is 7:30 AM in Atlantic Time, it is 4:00 PM in India Time.
AST to IST at a glance
India Time is 8 hours 30 minutes ahead of Atlantic Time. If someone gives you a time in Atlantic Time, move the clock by 8 hours 30 minutes to read it in India Time. A 9:00 AM start in Halifax becomes 5:30 PM in New Delhi.
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.
What India Time covers
India Time is used across all of India. It stays fixed year-round and is one of the most common South Asian reference clocks. It is widely used for offshore work, product teams, support operations, and engineering handoffs.
Quick answers
What is the time difference between AST and IST?
India Time is 8 hours 30 minutes ahead of Atlantic Time.
What happens to a 3:00 PM meeting in AST?
It lands at 11:30 PM in IST.
Does daylight saving time matter for AST to IST?
Atlantic Time and India Time are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.