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Siri's birthday one day off

When I ask Siri in macOS Sierra on my Mac for my own or any other birthday of my contacts, her spoken answer is one day earlier than the actual one. Is this a bug or somewhere a setting I could change?

iMac, macOS Sierra (10.12)

Posted on Sep 21, 2016 12:41 PM

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Siri's birthday one day off

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