xclock

xclock is the classic analog and digital clock display utility for the X Window System. As one of the earliest graphical utilities created for X11, it remains a reliable, lightweight desktop timekeeper.

Features:

• Classic analog clock face with hour, minute, and second hands
• Optional digital time display mode with customizable date formatting
• Configurable update intervals, chime tones, and display colors
• Extremely lightweight with near-zero memory and CPU utilization
• Compatible with all X11 window managers and desktop environments