Saturday
A week is larger than a day because a day has 24 hours but a week has 168.
24/7 means that it is happening all the time. There are 24 hours in a day and 7 days in a week, therefore it means that there isn't an hour out of the day, or a day out of the week that it isn't happening.
August 24, 2012 will be a Friday.
May 24 1966 was a Tuesday.
December 24, 1955, was a Saturday.
March 24, 1955 was a Thursday.
August 24, 1955 fell on a Wednesday.
October 24, 1955 fell on a Monday.
June 24, 1955 fell on a Friday.
It was a Sunday.
Friday
24 September 1996 was a Tuesday.
24 September 1954 was a Friday.
September 24 2009 was a Thursday.
September 24 2010 was a Friday
September 24, 2009 was a Thursday.