Convert IST to GMT Time
Free online converter with current times, time difference, and conversion table between IST and GMT time zones.
Current time in IST: Loading...
Current time in GMT: Loading...
Time difference: -5.5 hours
IST to GMT Conversion Table
This table shows common IST times converted to GMT time:
About IST and GMT Time Zones
IST Time Zone
Full Name: Indian Standard Time
UTC Offset: UTC+5.5
Current Time: Loading...
Standard time in India.
Used in: India, Sri Lanka
GMT Time Zone
Full Name: Greenwich Mean Time
UTC Offset: UTC±0
Current Time: Loading...
Time zone at the zero meridian.
Used in: UK (winter), Iceland, Ghana, Senegal
How to Convert IST to GMT
Enter IST Time
Enter the IST time you want to convert using the time picker or by typing directly in 24-hour format.
Click Convert
Click the "Convert Time" button to perform the conversion from IST to GMT.
View Result
The equivalent GMT time will be displayed, along with the time difference between the two zones.
Use Conversion Table
For quick reference, you can also use the conversion table below that shows common IST times converted to GMT.
Common Uses for IST to GMT Conversion
International Business
Schedule meetings and calls between locations in India and UK (winter) time zones.
Travel Planning
Calculate arrival times and plan activities when traveling between India and UK (winter).
Event Scheduling
Convert event times for international broadcasts, webinars, or sports events between these regions.
Keeping in Touch
Find the best times to call friends, family, or colleagues across these time zones.
Frequently Asked Questions
The time difference between IST and GMT is -5.5 hours. This means that when it's noon (12:00 PM) in IST, it's 6:00 AM in GMT.
To convert IST to GMT time, subtract 5.5 hours from the IST time. You can use our converter at the top of this page for instant and accurate conversions.
IST does not observe DST. GMT does not observe DST.
Partial overlap in business hours.
Our converter uses standard time zone offsets. For the most accurate conversions during DST transition periods, please verify the exact dates when DST begins or ends in the relevant regions, as these can vary by year and location.