I flew from Washington DC to Devon (UK) roughly 9 hours ago.

My MacBook knows that I am in the UK, but won't update the timezone.

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How do I make sure that the MacBook keeps updating the time zone automatically?

1 Answer 1


I assume you 'unlocked' the pref pane with the icon at the bottom left.

You could try using the Terminal command sudo ntpdate -u time.euro.apple.com.

If the command returns errors such as Can't find host or no servers can be used, the network you're connecting to might have a firewall block on ntp servers.

  • Running that command seems to update it to the American time Jun 4, 2018 at 19:42

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