Choose a Time
Enter the time you want to convert from IST.
Convert India Standard Time (IST) to Greenwich Mean Time (GMT) and compare the time difference between the two time zones.
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GMT is 5 hours and 30 minutes behind of IST.
Use this table as a quick reference when converting common times from IST to GMT.
| IST | GMT |
|---|---|
| 12:00 AM | 6:30 PMprevious day |
| 3:00 AM | 9:30 PMprevious day |
| 6:00 AM | 12:30 AM |
| 9:00 AM | 3:30 AM |
| 12:00 PM | 6:30 AM |
| 3:00 PM | 9:30 AM |
| 6:00 PM | 12:30 PM |
| 9:00 PM | 3:30 PM |
India Standard Time (IST) is five hours and thirty minutes ahead of Coordinated Universal Time, UTC+5:30.
Greenwich Mean Time (GMT) is a time standard based on the mean solar time at Greenwich, London.
Enter the time you want to convert from IST.
The converter calculates the corresponding time in GMT.
Remember that a conversion can move the result to the previous or next calendar day.