IST to GST Time Converter
When it's 12:00 PM IST, it's 10:30 AM GST 1.5 hours behind
| Time in IST | Time in GST |
|---|---|
| 12:00 AM | 10:30 PM (-1 day) |
| 1:00 AM | 11:30 PM (-1 day) |
| 2:00 AM | 12:30 AM |
| 3:00 AM | 1:30 AM |
| 4:00 AM | 2:30 AM |
| 5:00 AM | 3:30 AM |
| 6:00 AM | 4:30 AM |
| 7:00 AM | 5:30 AM |
| 8:00 AM | 6:30 AM |
| 9:00 AM | 7:30 AM |
| 10:00 AM | 8:30 AM |
| 11:00 AM | 9:30 AM |
| 12:00 PM | 10:30 AM |
| 1:00 PM | 11:30 AM |
| 2:00 PM | 12:30 PM |
| 3:00 PM | 1:30 PM |
| 4:00 PM | 2:30 PM |
| 5:00 PM | 3:30 PM |
| 6:00 PM | 4:30 PM |
| 7:00 PM | 5:30 PM |
| 8:00 PM | 6:30 PM |
| 9:00 PM | 7:30 PM |
| 10:00 PM | 8:30 PM |
| 11:00 PM | 9:30 PM |
Daylight Saving Time (DST) may affect this conversion. IST does not observe DST. GST does not observe DST.
What is the time difference between IST and GST?
GST is 1.5 hours behind compared to IST. When it's 12:00 PM (noon) in IST, it's 10:30 AM in GST.
Does Daylight Saving Time (DST) affect IST to GST conversion?
IST does not observe DST. GST 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 GST?
The best time to call from IST to GST is between 9:00 AM and 5:00 PM IST, which is 7:30 AM to 3:30 PM GST. This ensures both parties are available during normal business hours (9 AM - 5 PM).