How to Set a 24‐Hour Clock on a Mac

To set the clock on a Mac to 24-Hour Time, click the Apple icon → Click "System Preferences" → Click "Language & Region → Navigate to the "Time format" section → Check the box next to "24-Hour Time."

Steps

  1. Image titled Set a 24 Hour Clock on a Mac Step 1
    1
    Click on the Apple icon. It's the Apple logo at the top left corner of the menu bar.
  2. Image titled Set a 24 Hour Clock on a Mac Step 2
    2
    Click System Preferences.
  3. Image titled Set a 24 Hour Clock on a Mac Step 3
    3
    Click the "Language & Region" icon. It looks like a flag.
  4. Image titled Set a 24 Hour Clock on a Mac Step 4
    4
    Navigate to the "Time Format" section.
  5. Image titled Set a 24 Hour Clock on a Mac Step 5
    5
    Click the check box next to "24-Hour Time." You should see the time switch from 12-Hour to 24-Hour format in the top right corner of your Mac screen.
  6. Image titled Set a 24 Hour Clock on a Mac Step 6
    6
    Click the red "x" button to exit.

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wikiHow Staff
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wikiHow Staff
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Co-authors: 2
Updated: February 26, 2018
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Categories: Mac