Hormones released in rhythmic 24 hour patterns are known as "Circadian rhythms".
Rush Hour was released on 09/18/1998.
The Darkest Hour was released on 12/25/2011.
25th Hour was released on 12/19/2002.
The Midnight Hour was released in 2000 and is unknown when it will be released again.
Rush Hour 3 was released on 08/10/2007.
One Hour Photo was released on 08/21/2002.
Her Hour - 1913 was released on: USA: 17 October 1913
Her Hour - 1917 was released on: USA: 19 November 1917
The Devil's Hour - 2014 was released on: USA: 2014
Their Hour - 1915 was released on: USA: 2 March 1915
The 1 2 Hour Comedy Hour - 1983 was released on: USA: 5 July 1983
Midwives Have To Work From Roughly 9-12 Hours A Day. They Also Have To Provide 24 Hour Service.