IST to GST Time Converter
Convert India Standard Time to Gulf Standard Time instantly.
Scroll the timeline to check any hour of the day.
India Standard Time
IST
1:55
Gulf Standard Time
GST
12:25
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How the IST to GST time difference works
GST is 1 hour 30 minutes behind IST. India Standard Time (IST) is the time zone of India and Sri Lanka. Gulf Standard Time (GST) is the time zone of the United Arab Emirates and Oman. For example, 9:00 AM IST is 7:30 AM GST. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
1 hour 30 minutes
Daylight saving
Neither
IST offset
UTC+5:30
GST offset
UTC+4
IST to GST conversion chart
| India Standard Time (IST) | Gulf Standard Time (GST) |
|---|---|
| 12:00 AM | 10:30 PM -1 day |
| 1:00 AM | 11:30 PM -1 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
A standard 9 to 5 workday overlaps from 10:30 AM to 5:00 PM IST (9:00 AM to 3:30 PM GST). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
India Standard Time (IST)
MumbaiDelhiBengaluruKolkataChennaiHyderabad
Gulf Standard Time (GST)
DubaiAbu DhabiSharjahMuscatAl Ain
IST to GST questions
Is GST ahead of or behind IST?
GST is 1 hour 30 minutes behind IST. So 9:00 AM IST is 7:30 AM GST, and 5:00 PM IST is 3:30 PM GST.
What time is it in GST when it is 12:00 PM IST?
When it is 12:00 PM (noon) IST in India Standard Time, it is 10:30 AM GST in Gulf Standard Time.
How many hours difference is there between IST and GST?
There is a 1 hour 30 minutes difference. Gulf Standard Time (GST) runs 1 hour 30 minutes behind India Standard Time (IST).
Do IST and GST observe daylight saving time?
Neither India Standard Time nor Gulf 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 IST and GST?
A standard 9-to-5 workday overlaps from 10:30 AM to 5:00 PM IST (9:00 AM to 3:30 PM GST). Scheduling inside that window keeps the call during business hours in both India Standard Time and Gulf Standard Time.
Which cities use IST and GST?
India Standard Time (IST) covers cities such as Mumbai, Delhi, Bengaluru, Kolkata, Chennai, Hyderabad. Gulf Standard Time (GST) covers cities such as Dubai, Abu Dhabi, Sharjah, Muscat, Al Ain.