Here's a fun little utility to keep in your system tray showing the current phase of the moon and sunrise/sunset times. Lets you choose your location and any date to check what the moon will be doing and when the sun will rise and set.

Sits in your system tray like this (Win XP example):
example sys tray display    When you hover the mouse:    example sys tray display for mouse hover
Right-clik the picture of Luna and choose 'Run' to get something like the following:
LunaSol Screen Shot

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