About time-zone updates for iOS 10 or later, watchOS 3 or later, and tvOS 10 or later

Learn about time-zone updates for iOS 10 or later, watchOS 3 or later, and tvOS 10 or later. 

     Updated Time Zone Information Available on iPhone

If a country, region, or government announces a time-related change (for example, a change to the time zone or to Daylight Savings Time), Apple sends a time-zone update to your device. If so, an alert says, "Updated Time Zone Information Available."

To accept the update from Apple, tap Restart (restart your Apple Watch, too). If you tap Not Now, your device gets the update the next time you restart.

Check for time-zone updates for your device

If you have iOS 10 or later, watchOS, or tvOS and want to check for available time-zone updates, use this section. If your device doesn't support these software versions, learn what to do.

On your iPhone, iPad, iPod touch, or Apple Watch

Use these steps on your iOS device. For your Apple Watch, use these steps on your paired iPhone:

  1. Connect your device to the Internet.
  2. Go to Settings > General > Date & Time.
  3. If you see a message that says, "Updated time zone definitions are available," restart your device to get the update (restart your Apple Watch, too). 
  4. If you don't see this message, tap back to return to General, then wait several minutes. 
  5. Tap Date & Time again. If you see the message, restart your device to get the update (restart your Apple Watch, too).
  6. If you still don't see the message, you can adjust your device's time or time zone. Learn how.

On your Apple TV (4th generation)

  1. Connect your device to the Internet.
  2. Go to Settings > General > Time Zone. If you see a message on the left that says, "New time zones are available and will be installed next time your Apple TV restarts," restart your device to get the update.
  3. If you don't see the message, press the Home button to go to your Home screen. 
  4. Wait several minutes. Then return to Settings > General > Time Zone. If you see the message, restart your device to get the update. 
  5. If you still don't see the message, you can make adjustments to your device's time or time zone. Learn how

 

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