Check whether your BIOS settings show the system clock UTC or adjusted to your timezone.
Windows stores hardware clock time in your local timezone. Other operating systems usually store it in UTC. If you're dual booting, this could cause issues.
It's also possible that saving the current time to the hardware clock in silverblue/secureblue is misonfigured in some way.
My secondary laptop had an issue where the time would be wrong whenever I booted it up. I'd make sure the system was set to the right timezone, but it always required me manually setting the time, even restarting ntpd (and making sure I had internet) didn't work.
The problem was pretty clear, because the time would be off by years: the issue was that the hardeare clock was set incorrectly in the BIOS, because I use it so infrequently that it would lose all charge in the interim and the BIOS would be reset. Setting the hardware clock correctly fixed everything.
From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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