Answers

2015-07-08T17:22:46+05:30
In India we follow the IST  and in UK they use GMT, and since IST and GMT are not on the same longitude there is quite a difference.

To calculate the difference, we should know that the difference between two longitudes is 4 min.

The longitude of IST is 81 degrees. The longitude of GMT is 0.

81×4m=324
324m=5h 24m

The difference between London time and Indian time is 5hours and 24 minutes.
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2015-07-08T21:39:57+05:30
It is approximately 5and a half hours
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