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Path: ...!feeds.phibee-telecom.net!3.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Lawrence D'Oliveiro <ldo@nz.invalid> Newsgroups: comp.os.linux.advocacy Subject: Re: Does Dimdows Know What Time It Is? Date: Wed, 2 Oct 2024 02:59:07 -0000 (UTC) Organization: A noiseless patient Spider Lines: 15 Message-ID: <vdictq$3380h$1@dont-email.me> References: <vda0ko$1e457$1@dont-email.me> <vdc82s$1rmvl$1@dont-email.me> <5hqnfjlho4m2gbj9u8d9bhqnj8cg5v74bv@4ax.com> <lm2tgkFs3voU4@mid.individual.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Wed, 02 Oct 2024 04:59:07 +0200 (CEST) Injection-Info: dont-email.me; posting-host="0dd655ef60256d70eb97de61356a90a9"; logging-data="3252241"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+LqLufTl6Bieim2ys1h69g" User-Agent: Pan/0.160 (Toresk; ) Cancel-Lock: sha1:xbVhNLjgVXyDITa3Wg9FzThDAgw= Bytes: 1660 On 1 Oct 2024 18:31:48 GMT, rbowman wrote: > On Tue, 01 Oct 2024 08:26:51 -0400, Joel wrote: > >> Why is something other than the hardware clock determining the system >> time, on either OS? > > Because hardware clocks are seldom accurate? Linux has its own system clock which is run off timer interrupts. This is initialized from the hardware clock at boot time, and its value is saved back to the hardware clock at shutdown. The rest of the time, the kernel doesn’t care about the hardware clock. <https://manpages.debian.org/8/hwclock.8.en.html>