Use a 24 Hour Clock on the iPhone & iPad

Aug 8, 2012 - 6 Comments

Show the Military Time as 24 Hour Clock in iOS

The iPhone and iPad default to use a 12 hour clock in the USA and Canada, but you can easily switch to 24 hour time (often called Military time) through a quick settings adjustment in iOS.

If you wish to enable the 24 hour clock in iOS, just do the following:

  1. Open “Settings” and tap on “General”
  2. Scroll down and choose “Date & Time”
  3. Toggle the flip switch “24-Hour Time” to ON, then close out of Settings

Use 24 Hour Time on iPhone and iPad

The setting is immediately visible throughout iOS on the iPhone, iPad, or iPod touch. You’ll see the 24 hour time on the lock screen, as well as at the top of the device on the screen clock, and anywhere else system time is displayed in iOS.

This can be helpful when traveling to other countries that don’t use the 12 hour notation, or if you just prefer to use the 24 hour clock.

If you wish to change it back to a 12 hour clock, simply return to the same settings section and toggle the switch again. As before, this setting will impact all iOS system clocks including the time show on the lock screen, and no device reboot is required. This is also the same on all iOS devices and all iOS versions, regardless of what system software the iPhone or ipad is running.

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Posted by: Paul Horowitz in iPad, iPhone, Tips & Tricks


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  1. b says:

    Props on the Debussy. Have been listening to piano solos for the last week with awe.

  2. Artur says:

    Military time? Its the time format the whole world is using.

  3. Ken says:

    In Germany, the 24-hour clock is ubiquitous, so there is no way to choose a 12-hour clock in the German localization, which is as it should be. However, in many applications a fictitious 12-hour clock shows up in which the times are shown as 8:00 vorm, which is supposed to mean 8:00, and 8:00 nachm, which is supposed to be 20:00. It’s wrong and it takes a lot of space. These same applications show the 24-hour clock correctly when you choose the 24-hour clock in the US localization.

    There’s no way to switch errant applications to the iPhone’s default, no way to make the applications use the standard 24-hour clock, and it is very, very weird. Who thunk this crap up? And why had no one fixed it?

    I guess Apple has to stop hiring ex-Microsoft employees.

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