pkg://wmMoonClock-1.27-2mdk.src.rpm:134160/HEADER  downloads

Name        : wmMoonClock                  Relocations: (not relocateable)
Version     : 1.27                              Vendor: Mandriva
Release     : 2mdk                          Build Date: Thu Dec 15 15:10:07 2005
Install date: (not installed)               Build Host: n1.mandriva.com
Group       : Graphical desktop/WindowMaker   Source RPM: (none)
Size        : 132173                           License: GPL
Packager    : Lenny Cartier <lenny@mandriva.com>
URL         : http://nis-www.lanl.gov/~mgh/WindowMaker/DockApps.shtml
Summary     : Docklet that shows lunar ephemeris to fairly high accuracy
Description :
wmMoonClock displays the lunar ephemeris with high accuracy. You can
define your local latitude and longitude to get precise results. And
even better you get a very nice moon icon that matches the current state
of the moon.

In order to get good results, you may have to find your geographical
coordinates, eg. from this site http://www.astro.com/atlas