A day is the amount of time it takes a planet to revolve once about its own
polar axis. A year is the time it takes a planet to go around the Sun. The
Venusian year lasts 335 Earth days, a month shorter than Earth's, as it is
closer to the Sun than we are.
More Quite Interestingness about "Length" here:http://www.telegraph.co.uk/culture/qi/8552529/QI-Quite-interesting-facts-about-length.html