Answers

2014-04-02T16:47:15+05:30
U can have reference with other websites ramesh u can get it more appropriately. and the second u can do is know the longitude and latitude of he earth.
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2014-04-02T17:45:28+05:30
You should know the longitudes and as each longitude equals to 1 minute u can get to know the hours and subtract or add accordingly it from  / to the local time getting the time required. east- add, west - subtract.
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