GST to IST Time Converter
Convert Gulf Standard Time to India Standard Time instantly.
Scroll the timeline to check any hour of the day.
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the GST to IST time difference works
IST is 1 hour 30 minutes ahead of GST. Gulf Standard Time (GST) is the time zone of the United Arab Emirates and Oman.
India Standard Time (IST) is the time zone of India and Sri Lanka.
For example, 9:00 AM GST is 10:30 AM IST.
Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
1 hour 30 minutes
GST to IST conversion chart
| Gulf Standard Time (GST) |
India Standard Time (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 AM +1 day |
Best time to meet
A standard 9 to 5 workday overlaps from 9:00 AM to 3:30 PM GST (10:30 AM to 5:00 PM IST). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Gulf Standard Time (GST)
DubaiAbu DhabiSharjahMuscatAl Ain
India Standard Time (IST)
MumbaiDelhiBengaluruKolkataChennaiHyderabad
GST to IST questions
Is IST ahead of or behind GST?
IST is 1 hour 30 minutes ahead of GST. So 9:00 AM GST is 10:30 AM IST, and 5:00 PM GST is 6:30 PM IST.
What time is it in IST when it is 12:00 PM GST?
When it is 12:00 PM (noon) GST in Gulf Standard Time, it is 1:30 PM IST in India Standard Time.
How many hours difference is there between GST and IST?
There is a 1 hour 30 minutes difference. India Standard Time (IST) runs 1 hour 30 minutes ahead of Gulf Standard Time (GST).
Do GST and IST observe daylight saving time?
Neither Gulf Standard Time nor India Standard Time observes daylight saving time, so the 1 hour 30 minutes difference between them is the same all year.
What is the best time to schedule a meeting between GST and IST?
A standard 9-to-5 workday overlaps from 9:00 AM to 3:30 PM GST (10:30 AM to 5:00 PM IST). Scheduling inside that window keeps the call during business hours in both Gulf Standard Time and India Standard Time.
Which cities use GST and IST?
Gulf Standard Time (GST) covers cities such as Dubai, Abu Dhabi, Sharjah, Muscat, Al Ain. India Standard Time (IST) covers cities such as Mumbai, Delhi, Bengaluru, Kolkata, Chennai, Hyderabad.
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