Douglas Adams said this quote

It is a West zone planet which by an inexplicable and somewhat suspicious freak of topography consists almost entirely of subtropical coastline. By an equally suspicious freak of temporal relastatics, it is nearly always Saturday afternoon just before the beach bars close. No adequate explanation for this has been forthcoming from the dominant life forms on Ursa Minor Beta, who spend most of their time attempting to achieve spiritual enlightenment by running round swimming pools, and inviting Investigation Officials from the Galactic Geo-Temporal Control Board to 'have a nice diurnal anomaly.