Re: Incorrect digital clock time

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On Saturday 31 March 2018 02:08:12 Rolf Schmidt wrote:
> Hi,
>
> > The additional info is that logging out and logging back in -- which is
> > something I rarely do; I often go weeks without doing so, but I happened
> > to do it today -- "fixed" the problem.
>
> It seems that your clock will set at login time perhaps you set/use
> different timezones for the clocks.
>
> I usually use ntpd to sync my clock via internet. But make shure your
> clock has less then 1 or 2 minute differenc to utc.
> Best is:
> - stop the utp daemon
> - use ntpdate to correct you clock
> - perhaps use 'hwclock -w' to adjust the hardware clock too.
> - start ntpd again.
> Now the clock will be adjusted continusly (I don't know the length of
> the intevall between two updates).
>
> HTH
> Rolf

You might find these two webpages to be useful: 
https://blog.hboeck.de/archives/890-In-Search-of-a-Secure-Time-Source.html
This page gives a bash script: 
date -s "$(curl -sI https://www.google.com/|grep -i 'date:'|
sed -e 's/^.ate: //g')"
I adapted this to use DDG instead of Google; works pretty well. It seems not 
very secure, though, and you may find that now your system time is now a 
little "off" - by several seconds or more, compared to other online devices - 
although maybe it's better than off by an hour. 

At the end of the page I've cited above is a link to another bash script: 
https://github.com/hannob/httpstime/blob/master/httpstime

Bill


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