IST to GST Converter
Convert India Standard Time (IST) to Gulf Standard Time (GST) instantly with our real-time calculator. Whether you are scheduling a global meeting, planning a remote presentation, or chatting with friends, see the exact time difference and find the optimal overlap hours below.
Last updated: June 2026Data: IANA Time Zone Database
Live Time Converter
IST
GST
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Business Hours Overlap
| IST (Your Time) | GST (Their Time) | Status |
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Time Difference Between IST and GST
GST is currently 1.5 hours behind relative to IST. The exact difference depends on the current UTC offsets of both zones: Asia/Kolkata and Asia/Dubai. Our live converter automatically accounts for DST rules in both regions so you don't have to do the math.
Best Meeting Window (IST & GST)
When scheduling cross-timezone meetings, it's essential to find overlapping business hours (9 AM–5 PM). The optimal overlap window is 9:00 AM–3.5:00 PM IST (10.5:00 AM–5:00 PM GST).
Use the interactive converter above to find the exact time for your meeting.
Quick IST to GST Reference Table
Here are five common reference times converted from IST to GST:
• 9:00 AM IST = 7.5:00 AM GST
• 12:00 PM IST = 10.5:00 AM GST
• 3:00 PM IST = 1.5:00 PM GST
• 6:00 PM IST = 4.5:00 PM GST
• 9:00 PM IST = 7.5:00 PM GST
Note: These conversions are based on current UTC offsets and may shift during Daylight Saving Time transitions.
About India Standard Time and Gulf Standard Time
IST (India Standard Time) uses the IANA timezone `Asia/Kolkata`. GST (Gulf Standard Time) uses `Asia/Dubai`. Both are recognized by the IANA Time Zone Database, which is the international standard maintained to track daylight saving time rules across the world.
Frequently Asked Questions
How do I convert IST to GST?
Use the interactive slider above. It automatically computes the correct conversion from IST to GST, factoring in current Daylight Saving Time rules.
Are these timezone conversions accurate?
Yes. Our converter uses the IANA Time Zone Database (`Asia/Kolkata` to `Asia/Dubai`), which is the international standard for maintaining accurate, up-to-date time and DST changes globally.