# Flash clock time separators

When enabled, the clock indicator (which by default is the colon) will flash on and off each second.

  • Tested on macOS:
    • Big Sur
    • Catalina
    • Mojave
  • Parameter type: bool

# Set to false (default value)

The time separator stays solid continuously.

defaults write com.apple.menuextra.clock "FlashDateSeparators" -bool "false" && killall SystemUIServer

# Set to true

The time separator flashes every second.

defaults write com.apple.menuextra.clock "FlashDateSeparators" -bool "true" && killall SystemUIServer

# Read current value

defaults read com.apple.menuextra.clock "FlashDateSeparators"

# Reset to default value

defaults delete com.apple.menuextra.clock "FlashDateSeparators" && killall SystemUIServer