Sunday
January the 1st 2011 was on a Saturday.
It was a Wednesday.
5 January 2011 is a Wednesday.
January 22 2011 will be a Saturday.
January 4 2011 was a Tuesday.
If the same calendar were applied to the year 1059 as to 2011, January 10, 1059 would fall on a Sunday.
January 1, 2012 will fall on a Sunday.
January 28, 2016 will fall on a Thursday.
January 30, 2063 will fall on a Tuesday.
January 24, 2003 was a Friday.
It was a Monday.
January 1, 2011 fell on a Saturday.