There are many ways to set the date on your Mac hardware but there will come a time where you will be unable to set the date in macOS and will be unable to figure out the cause without an error message.
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About The Author: Stephan Pringle is an Information Technology Support Specialist. He covers hardware and software and provides tips for you to troubleshoot and repair issues on your own. In his spare time, he writes articles about the State of New York on his Hackintosh and HackBook and that has helped him to become the top contributor of the New York City section of Yahoo! Answers.