Set Your iPhone's Clock to 24-Hour Time

  Matt Cone       January 6, 2021      Tutorials iPhone

Many people use a 24-hour clock, also known as “military time,” to keep track of time. This is the most commonly used time notation in the world today, and it’s the international standard notation for time of day. The 24-hour clock is especially popular in military and health care environments.

Here’s how to set your iPhone’s clock to 24-hour time (military time):

  1. From the iPhone’s home screen, tap Settings.

  2. Tap General. The window shown below appears.

    General iPhone system settings

  3. Scroll to the middle of the screen and tap Date & Time. The window shown below appears.

    iPhone date and time system settings

  4. Tap the 24-Hour Time slider to the on position.

  5. Your iPhone will now display the 24-hour clock at the top of the screen and in the Clock application, as shown below.

    iPhone on military time

Congratulations! Your iPhone is now displaying 24-hour time. If you ever want to disable 24-hour time and use 12-hour time again, simply move the 24-Hour Time slider to the off position.

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