GMT to IST: Convert GMT / UTC to India Time
Need to convert GMT to IST? India (IST) is +5.5 hours from GMT / UTC. Whether you are scheduling a call, planning a meeting, or coordinating with a remote team, this quick reference shows common time conversions between GMT and IST. Use our Timezone Converter for any custom time.
Quick Answer
| Label | Value |
|---|---|
| 9:00 AM GMT | 2:30 PM IST |
| 12:00 PM GMT | 5:30 PM IST |
| 3:00 PM GMT | 8:30 PM IST |
| 6:00 PM GMT | 11:30 PM IST |
How It Works
IST = GMT +5.5 hours. GMT / UTC is UTC+0 and India (IST) is UTC+5.5. The difference is +5.5 hours. Add +5.5 hours to any GMT time to get IST. If the result exceeds 11:59 PM, it rolls to the next day. Our Timezone Converter handles all the math including half-hour offsets and day boundaries.
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Related Calculators
9:00 AM GMT is 2:30 PM IST. The offset is +5.5 hours.
This converter uses standard time offsets. During daylight saving in either region, the offset may shift by 1 hour. Check specific dates for accuracy.
Look for overlapping business hours (9 AM - 5 PM) in both zones. With a +5.5-hour difference, the overlap depends on how far apart the zones are. Use our converter to check specific times.