Came across this neat little system tray clock/calender you can fine the download here along with a few skins. http://www.neowin.net/forum/index.php?showtopic=157465 Other skins are available at http://www.deviantart.com/deviation/33470452/ like the one I'm using on my desktop. the clock /calender is customizable and is opened and closed by left mouse click also has built in pop up reminder.
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Speaking of taskbar clocks, I really like T-Clock, works great and shows month, year ect, lots of options, timer, ect....Check it out....
http://homepage1.nifty.com/kazubon/tclocklight/index.html

Has anyone tried the T-Clock out?
I'm surprised nobody has commented how great this thing is....

Bells and whistles .

There's the one that started it all TClockEX


http://www.rcis.co.za/dale/tclockex/index.htm