IST to AST Time Converter

When it's 12:00 PM IST, it's 2:30 AM AST 9.5 hours behind

Convert Time

IST (India Standard Time)
--:--:--
AST (Atlantic Standard Time)
--:--:--
= -- AST
Time in ISTTime in AST
12:00 AM2:30 PM (-1 day)
1:00 AM3:30 PM (-1 day)
2:00 AM4:30 PM (-1 day)
3:00 AM5:30 PM (-1 day)
4:00 AM6:30 PM (-1 day)
5:00 AM7:30 PM (-1 day)
6:00 AM8:30 PM (-1 day)
7:00 AM9:30 PM (-1 day)
8:00 AM10:30 PM (-1 day)
9:00 AM11:30 PM (-1 day)
10:00 AM12:30 AM
11:00 AM1:30 AM
12:00 PM2:30 AM
1:00 PM3:30 AM
2:00 PM4:30 AM
3:00 PM5:30 AM
4:00 PM6:30 AM
5:00 PM7:30 AM
6:00 PM8:30 AM
7:00 PM9:30 AM
8:00 PM10:30 AM
9:00 PM11:30 AM
10:00 PM12:30 PM
11:00 PM1:30 PM

Daylight Saving Time (DST) may affect this conversion. IST does not observe DST. AST does not observe DST.

Major Cities in IST (India Standard Time)

Major Cities in AST (Atlantic Standard Time)

  • Halifax
  • Dartmouth
  • Lower Sackville
  • Charlottetown
  • Downtown Halifax
What is the time difference between IST and AST?

AST is 9.5 hours behind compared to IST. When it's 12:00 PM (noon) in IST, it's 2:30 AM in AST.

Does Daylight Saving Time (DST) affect IST to AST conversion?

IST does not observe DST. AST does not observe DST. During DST transitions, the time difference may change by one hour.

What major cities use IST (India Standard Time)?

Major cities in the IST timezone include Mumbai, Delhi, Bengaluru, Hyderabad, Ahmedabad.

What is the best time to call from IST to AST?

The best time to call from IST to AST is between 9:00 AM and 5:00 PM IST, which is 11:30 PM to 7:30 AM AST. This ensures both parties are available during normal business hours (9 AM - 5 PM).