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