In a normal year, adding 180 days to January 18 gives July 17 of the same year. Adding 180 days to January 18 in a leap year gives July 16.
Adding 180 days to July 18, 2011 gives January 14, 2012.
Monday, July 16, 2012
January 31 + 180 days = July 30.
January 9, 2011 + 180 days = July 8, 2011.
In a non-leap year, adding 180 days to January 9 gives July 8. In a leap year, adding 180 days to January 9 gives July 7.
Adding 180 days to January 17 on a non-leap year gives July 16. Adding 180 days to January 17 on a leap year gives July 15.
Adding 180 days to January 24, 2011 gives July 23, 2011.
Adding 180 days to January 13, 2011 gives July 12, 2011.
Adding 180 days to March 18, 2010 gives September 14, 2010.
Adding 180 days to December 18, 2010 gives June 16, 2011.
To find the date 180 days before July 28, 2010, you can subtract 180 days from that date. This calculation leads to January 30, 2010. Therefore, 180 days before July 28, 2010, is January 30, 2010.
180 days after July 17th 2010 is Thursday, January 13, 2011.