Countdown Days till Christmas by Snow Globe with different skins, music and font. This free Christmas countdown clock sits and works from your system tray itself. Apart from showing countdown till Christmas, it can also show countdown till New year. Another interesting feature of this free Christmas countdown clock is that it sounds jingle bells every hour.

If you right-click the system tray icon or the tree, you will come across few customization options which let's you change the skins, sounds, and at what frequency it should make sound, etc.