4 weeks of which includes 4 of every day of the week. It has four weeks and has four of each day of the week.
It was a Sunday.
Wednesday
Thursday
Friday
29/4/1961 was a Saturday
It was a Sunday.
Friday
Friday
It was a Monday.
Tuesday
February 4 1951 was on a Sunday.
February 4 1955 was a Friday.
February 4 1914 was a Wednesday.
February 4 2010 was a Thursday.
4 February 1971 was a Thursday.
4 February 1979 was a Sunday.