No. Thursday is the fifth day of the week and Friday is the sixth day of the week. That is because Sunday, not Monday, is the first day of the week. Monday is only the first day of the working week. See the related question.
The fifth day of the week is Friday.
Most people consider Sunday the first day of the week, in which case Thursday is the fifth. Many calendars show Monday as the first day of the week because it is the first 'working' day, so by that reckoning, Friday is the fifth day.
5th September 1947 was a Friday.
March 5th 1948 was a Friday.
September 5th, 2003 fell on a Friday.
September 5th, 1958 fell on a Friday.
October 5th, 1951 fell on a Friday.
February 5th, 1954 fell on a Friday.
On a Friday, it is Friday and it is the 6th day of the week.
December 5th 2009 is a Saturday. December 5th 2008 was a Friday.
no
No. Saturday is the last day of the week. Friday is the last day of a normal working week, but not the actual week.