Answers

2014-10-19T19:14:29+05:30
The IST is 5:30 min faster than GMT
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we dont say faster than... we say ahead of GMT
2014-10-19T20:02:59+05:30
 IST is ahead of GMt by 5 hours and 30 minutes. Add 1 hour for every 15 degrees of Longitude to the east of Greenwich, London and reduce 1 hour .
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