If you own a physical atomic clock (like a La Crosse Technology weather station), Atomic Alarm Clock can simulate the WWVB radio signal to sync your physical devices via your sound card—though this is an advanced feature for hobbyists.
: Replaces the standard system tray clock with over 100 skins (digital, analog, etc.). Atomic Alarm Clock Windows 11
The original software by Drive Software is still available, but it faces hurdles on Windows 11: Compatibility: It was designed for older taskbar architectures. Visual Glitches: If you own a physical atomic clock (like
: Search for "Atomic Clock" directly in the Microsoft Store . 3. Built-in Windows 11 Alternative Atomic Alarm Clock Windows 11