You can use these scripts for your landing pages, under construction pages or personal web design works.
jQuery Final Countdown
jQuery FlipClock is a jQuery plugin, it’s responsive also
Circular minimal countdown
A Colorful Clock With CSS & jQuery
jQuery Countdown timer
A countdown widget for your web page that displays the remaining as a flip clock or simple numbers.
Here we shared “7 Useful Free jQuery CSS3 Countdown Timer Scripts and Plugin” . Hope you will like it