Set the System Time, Date and Time Zone
By: Arie SlobDouble click the clock on the Taskbar, this will open a dialogue box, from where you can set the system time, date and time zone.
To change the display of the clock on the taskbar to 24-hour format:
- Open Control Panel (Start > Settings > Control Panel)
- Double-click on the Regional Settings icon
- Select the Time tab
- In the Time style section select HH:mm:ss
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