xclock
xclock is a lightweight clock utility for the X Window System. It displays the current time in a dedicated window and can render the time as a digital readout or an analog clock. The program is designed to be simple and unobtrusive, serving as a convenient on-screen time reference for X11 environments.
xclock supports a range of command-line options and resource settings. It can run in digital or analog
Origin and availability: xclock has long been distributed with the standard X Window System toolset and remains