GST to IST converter
India Standard Time (IST) is 1 hour 30 minutes ahead of Gulf Standard Time (GST), all year round.
Gulf Standard Time · GST
1:01 PM
Sunday 25 October
India Standard Time · IST
2:31 PM
Sunday 25 October
Right now, India Standard Time is 1 hour 30 minutes ahead of Gulf Standard Time. Updates live from your device’s clock.
Hour by hour
Today’s conversion. Green dots mark 9-to-5 working hours.
| GST | IST |
|---|---|
| 12:00 AM | 1:30 AM |
| 1:00 AM | 2:30 AM |
| 2:00 AM | 3:30 AM |
| 3:00 AM | 4:30 AM |
| 4:00 AM | 5:30 AM |
| 5:00 AM | 6:30 AM |
| 6:00 AM | 7:30 AM |
| 7:00 AM | 8:30 AM |
| 8:00 AM | 9:30 AM |
| 9:00 AM | 10:30 AM |
| 10:00 AM | 11:30 AM |
| 11:00 AM | 12:30 PM |
| 12:00 PM | 1:30 PM |
| 1:00 PM | 2:30 PM |
| 2:00 PM | 3:30 PM |
| 3:00 PM | 4:30 PM |
| 4:00 PM | 5:30 PM |
| 5:00 PM | 6:30 PM |
| 6:00 PM | 7:30 PM |
| 7:00 PM | 8:30 PM |
| 8:00 PM | 9:30 PM |
| 9:00 PM | 10:30 PM |
| 10:00 PM | 11:30 PM |
| 11:00 PM | 12:30 AMnext day |
Best time to meet
When both sides are inside 9 AM–5 PM on a weekday. If there’s no overlap, we show when both are awake (8 AM–9 PM).
- 9:00 AM–3:30 PMin GST=10:30 AM–5:00 PMin IST
When the gap changes
- 25 October 2026 → 1 January 2028IST +1h 30m
Gulf Standard Time is UTC+4 all year. Dubai and Abu Dhabi don't use daylight saving time.
India Standard Time is UTC+5:30 all year. India doesn't use daylight saving time, so every change in the gap comes from the other side.
Questions
What is the time difference between Gulf Standard Time and India Standard Time?
India Standard Time is 1 hour 30 minutes ahead of Gulf Standard Time for most of the year. The gap stays the same all year.
If it's 9 AM in Gulf Standard Time, what time is it in India Standard Time?
When it's 9:00 AM in Gulf Standard Time, it's 10:30 AM in India Standard Time. At 5:00 PM in Gulf Standard Time, it's 6:30 PM in India Standard Time. (Based on today's offsets.)
What is the best time for a call between Gulf Standard Time and India Standard Time?
Working hours overlap from 9:00 AM to 3:30 PM in Gulf Standard Time, which is 10:30 AM to 5:00 PM in India Standard Time.
Does Gulf Standard Time use daylight saving time?
No. Gulf Standard Time stays on the same offset all year.
Does India Standard Time use daylight saving time?
No. India Standard Time stays on the same offset all year.