GST to IST Converter – Gulf Standard Time to India Standard Time
IST is 1 hour 30 minutes ahead of GST. GST (Gulf Standard Time) is UTC+4 all year, while IST (India Standard Time) is UTC+5:30 all year. The live clocks below show the current time in both zones, updated every second.
GST to IST Conversion Table (Hour by Hour)
Standard-time conversion from Gulf Standard Time to India Standard Time.
| GST (UTC+4) | IST (UTC+5:30) |
|---|---|
| 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 AM (next day) |
Frequently Asked Questions
What is the time difference between GST and IST?
IST is 1 hour 30 minutes ahead of GST. GST (Gulf Standard Time) is UTC+4 and IST (India Standard Time) is UTC+5:30.
How do I convert GST to IST?
Take your time in GST and add 1.5 hours and minutes as shown in the table above. For example, 9:00 AM GST is 10:30 AM in IST. The live clocks at the top of this page always show the current conversion.
Does daylight saving time affect GST to IST conversion?
No. Neither GST nor IST observes daylight saving time, so the difference between them is the same all year round.
What is the best time for a meeting between GST and IST?
Look for overlap between 9:00 AM-6:00 PM working hours in both zones using the conversion table above. IST is 1 hour 30 minutes ahead of GST, so there is normally several hours of business-hours overlap.