24-hour clock to 12-hour clock

un-clicked the 24-hour clock in DATE & TIME in the GENERAL - System Settings, but it would reset back to a 24-hour clock. this is after updating to macOS Tahoe [Version 26.0]

Mac mini, macOS 26.0

Posted on Sep 23, 2025 1:30 AM

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24-hour clock to 12-hour clock

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