From
Atlantic Time
Halifax
Time Zone Converter
AST to IST Time Zone Converter
Convert AST to IST with a live clock, current time difference, UTC offsets, and work-hour overlap. IST is 8 hours 30 minutes ahead of AST.
To
India Time
New Delhi
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.