Answers

2015-12-31T19:16:28+05:30
The international date line is taken as a standard unit or a common unit which will never change. this is just my theory. All other time lines depend upon it. its just like measure of quantity like meters is taken as standard.

0
2016-01-02T19:10:27+05:30
International dateline is located in the waterbodies and it is a standard unit.
0