dateAndTime

24-hour time

System > Date & Time > 24-hour time

Option Module: home-manager

Option Path: applications.systemSettings.general.dateAndTime.24HourTime

Option Value Description: null or boolean or value "unset" (singular enum)

false:

defaults write ~/Library/Preferences/ByHost/.GlobalPreferences AppleICUForce24HourTime -bool false

true:

defaults write ~/Library/Preferences/ByHost/.GlobalPreferences AppleICUForce24HourTime -bool true

unset:

defaults delete ~/Library/Preferences/ByHost/.GlobalPreferences AppleICUForce24HourTime

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