TClocker

TClocker displays the date, time and lots of other information in any format.
 

TClocker Review

TClocker enhances the standard Windows taskbar clock, adding the ability to display the date, time and lots of other information in any format you like. TClocker is highly customizable, from the format to the font and colour, and even the tooltip information. Many people have wondered why this wasn't built into the standard clock to begin with.