Al
try this. I got an answer in 0.47 seconds. https://www.google.ca/search?q=length+of+day+on+other+planets&ie=utf-8&oe=utf-8&channel=rcs&gws_rd=cr&ei=pb0zWMfnNcSwsAG47KTAAQ
Anonymous
So taking a few seconds to search on your own is too hard, is it.
So sad...
http://spaceplace.nasa.gov/days/en/