IST to GST Converter – India Standard Time to Gulf Standard Time
GST is 1 hour 30 minutes behind IST. IST (India Standard Time) is UTC+5:30 all year, while GST (Gulf Standard Time) is UTC+4 all year. The live clocks below show the current time in both zones, updated every second.
IST to GST Conversion Table (Hour by Hour)
Standard-time conversion from India Standard Time to Gulf Standard Time.
| IST (UTC+5:30) | GST (UTC+4) |
|---|---|
| 12:00 AM | 10:30 PM (previous day) |
| 1:00 AM | 11:30 PM (previous 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 |
Frequently Asked Questions
What is the time difference between IST and GST?
GST is 1 hour 30 minutes behind IST. IST (India Standard Time) is UTC+5:30 and GST (Gulf Standard Time) is UTC+4.
How do I convert IST to GST?
Take your time in IST and subtract 1.5 hours and minutes as shown in the table above. For example, 9:00 AM IST is 7:30 AM in GST. The live clocks at the top of this page always show the current conversion.
Does daylight saving time affect IST to GST conversion?
No. Neither IST nor GST observes daylight saving time, so the difference between them is the same all year round.
What is the best time for a meeting between IST and GST?
Look for overlap between 9:00 AM-6:00 PM working hours in both zones using the conversion table above. GST is 1 hour 30 minutes behind IST, so there is normally several hours of business-hours overlap.