Mac Mini M2 loses correct time on lock screen when unplugged

i have a mac mini m2. And when ever i shutdown and unplug the mac (cut all power) and then if i restart it the "time" & "date" is worng on the lock screen and it corrects automatically when login is done. why is that?


when i do not unplug it from power it does not lose time and date.



[Re-Titled by Moderator]

Original Title: MAC MINI M2 LOSES CORRECT TIME

Mac mini, 15.5

Posted on Jul 26, 2025 4:31 AM

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Mac Mini M2 loses correct time on lock screen when unplugged

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