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10.2. Universal Co-ordinated Time (UTC)

For purposes of addressing time zones, Universal Co-ordinated Time is also known as Greenwich Mean Time (GMT).
If Fedora is the only operating system on your computer, select System clock uses UTC. The system clock is a piece of hardware on your computer system. Fedora uses the timezone setting to determine the offset between the local time and UTC on the system clock. This behavior is standard for UNIX-like operating systems.

Windows and the System Clock

Do not enable the System clock uses UTC option if your machine also runs Microsoft Windows. Microsoft operating systems change the BIOS clock to match local time rather than UTC. This may cause unexpected behavior under Fedora.
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