Before I used the free DesktopDigitalClock from softwareok.com which is very good
But sometimes the clock bothered me because I couldn't see what was behind it on the screen and there was no way to move it quickly
The second problem was that the clock's display color made the time become unreadable depending on the color of the window behind it
So, why not create my own that would be draggable and would adapt its display color (dark/light) to the window located behind it
See tray m