mini m6 with Golden Gate displays American time instead of European time
The start screen of the mini m6 with golden gate displays American time instead of European time, how can this be adjusted??
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Mac mini M6 with macOS 27.0 Golden Gate displays American time instead of European time
If the startup screen on the Mac mini M6 displays American time instead of European time, the issue may relate to the Mac's date and time settings, regional formatting, or the preboot environment.
The Mac mini M6 was originally shipped with macOS 27.0 Golden Gate.
FileVault is enabled by default during the initial setup in the scenario described here, but its current status should be confirmed before troubleshooting.
Apple explains how FileVault protects data and how it works on Macs with Apple silicon in its official guide: How does FileVault work on a Mac?.
After signing in to macOS, open System Settings >> General >> Date & Time and check that the correct European time zone is selected.
If appropriate, enable automatic date and time and automatic time-zone setting. Apple provides detailed instructions in Set the date and time automatically on your Mac and Change Date & Time settings on Mac.
If the actual time is correct but is displayed in the American 12-hour format with AM/PM, check the 24-hour clock option in Date & Time settings.
If the issue concerns regional formatting elsewhere in macOS, also check System Settings >> General >> Language & Region.
Next, check the current FileVault status under System Settings >> Privacy & Security >> FileVault.
Apple documents this setting and its security implications in Protect data on your Mac with FileVault.
If the time is correct after signing in but incorrect on the startup screen, the problem may involve the preboot environment or how regional settings are applied before login.
Apple documents the use of the diskutil apfs updatePrebootcommand in its guidance on setting up policy banners in macOS.
However, that article addresses policy banners, not an incorrect startup clock, so it does not establish that refreshing Preboot will fix this particular issue.
This command should therefore be considered only after the symptoms have been checked, rather than as a guaranteed solution.
Do not disable FileVault, decrypt the disk, or reset the Mac solely to correct the displayed time. If the problem persists despite correct macOS settings, contact Apple Support for further assistance.
