Every 28 years.
28 February 1958 was a Friday.
28 February 1975 was a Friday.
February 28, 2003 fell on a Friday.
February 28, 1947 was a Friday.
Friday
It was a Friday.
Feburary 28 1992 was a Friday.
February, 1980... and February 2008... and February 2036Actually this happens once every 28 years but the pattern gets out of sync after 2100 which happens to not be a leap year.
February 15, 1961 fell on a Wednesday.
It will be Friday 15th March 2013.
It didn't. The first year after 1953 in which February 13 was a Friday was 1959.