Different organizations and geographic region have their own preferences with how to use and display time. Depending upon where you are located, this could involve a 12 hour or 24 hour clock. Apple devices, including the Apple watch, provide an adjustable setting that you can modify to allow for either of these clock settings to be displayed.
Our guide below will show you how to change the setting on your Apple Watch so that it displays time with a 24-hour clock. This means that instead of displaying, for example, 3:oo PM as 3:00, your Apple watch will show it on the device as 15:00.
Switching Between a 12 Hour and and 24 Hour Clock on the Apple Watch
These steps were performed on an iPhone 7 Plus, in iOS 10.
Step 1: Open the Watch app on your iPhone.
Step 2: Select the My Watch tab at the bottom of the screen.
Step 3: Scroll down and select the Clock option.
Step 4: Tap the button to the right of 24-Hour Time to enable the option.
if you like to display 24 hour time on your devices, then you might want to do it on your iPhone, too. This article will show you how to find and adjust the correct setting on the iPhone.
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