Simple demonstration deployed originally for 1990's compiler named Turbo-C.
Inspired in the following video https://goo.gl/3cdALa Dedicated specially to those asking for the source code in that video. Our clock is a little bit more different, colorful, thin, crazy and it rotates :-D! My intention is to produce a 100% free open-source code to help people around the world struggling to learn C language and trying to make his 1st, 2nd or 10th program on life.
Author: Flavio
This youtube video shows the visual effect produced by this code: