Mac Night Shift not turning on at scheduled times
Check Night Shift is enabled in System Settings > Displays, make sure your location is set for accurate sunset times, and confirm Location Services is on. Manual toggle always works; scheduled times need location services.
Night Shift reduces blue light at scheduled times to ease eye strain. If it's not activating automatically, it's disabled, your Mac doesn't have hardware support, or your location isn't set correctly. Checking hardware support, enabling the feature, and turning on location services fix most issues.
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Skip — I just want a technicianCommon mistakes to avoid
- Assuming Night Shift is broken when manual toggle works — scheduled activation requires Location Services and correct system time
- Not realizing old Macs don't support Night Shift — checking hardware support should be the first step
Signs you need professional help
- Night Shift toggle is greyed out on a 2014+ Mac — contact Apple Support
- Night Shift works manually but never activates on schedule even with location and time verified
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