IST to AST time converter
Atlantic Time (AST) is 9 hours 30 minutes behind India Standard Time (IST) in January and 8 hours 30 minutes behind in July, because daylight saving time shifts the difference. Use the grid below to line up New Delhi 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 15:13 IST in New Delhi and 06:43 ADT in Halifax.
2/10 zones · drag the tape, scroll sideways or use the arrow keys; Home jumps back to now.
IST to AST: frequently asked
What is the time difference between IST and AST?
Atlantic Time (AST) is 9 hours 30 minutes behind India Standard Time (IST) in January and 8 hours 30 minutes behind in July, because daylight saving time shifts the difference.
What time is 9 AM IST in AST?
9:00 AM IST is 11:30 PM AST the previous day in January, and 12:30 AM AST in July.
When do working hours overlap between New Delhi and Halifax?
In January: Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 6:30 PM IST, which is 9:00 AM AST. In July: Standard 9:00 AM–5:00 PM working hours never overlap. The closest fit is 5:30 PM IST, which is 9:00 AM AST.