Answers

2014-04-03T15:39:50+05:30
4th April, 1978  should be sunday.
0
2014-04-03T16:01:44+05:30
If 1st Jan 1977 is a monday then 4th April 1978 is a tuesday. it is b'coz 1977 is greater than 1978 by only one yr.
so monday will become tuesday.
1 5 1
3rd jan is monday and 1st jan issaturday
can u see the year is one forward then the previos yr.