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Learn how to set up the time and date on an iPhone running Apple iOS 15.

 

Auto-update time (NITZ)

The default setting for your device is to automatically update the time zone. To set the device clock to automatically update based on what time zone it is in, follow these steps:

  1. From the Home screen, tap Settings > General > Date & Time.
  2. Tap the Set Automatically slider to turn on or off.

 

Set time & date

  1. From the Home screen, tap Settings > General > Date & Time.
  2. Tap the Set Automatically slider to turn it off.
  3. Tap the current time zone and select your time zone.
  4. Tap the date or time and scroll up or down to select the correct date and time.

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