SOLVED: dual boot clock battle: Windows versus Linux

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SOLVED: dual boot clock battle: Windows versus Linux

Postby peyrol on Thu Aug 15, 2013 10:44 am

I'm not sure where I should post this. It might belong in a Windows 7 forum.

I have a dual boot machine, LMDE Mate amd64 up6 and Windows 7 Home Premium. When I boot up Windows after having been in Linux, the time display is 4 hours ahead of where it should be. I live in Virginia, USA, which during the Summer puts me 4 hours behind UTC. My workaround has been to download a Windows app which I manually run to correct the time. But sometimes, the NIST time server which this app accesses is not available.

I believe the fundamental problem is, Linux wants to set the system clock to UTC, and modify the desktop displayed time based on my world location, whereas Windows goes on the assumption that the system time is my local time.

How can I get these two OSes to play nicely with each other in this respect? Is there some boot option to keep Linux from sabotaging Windows?

Thanks for your time, which hopefully will be less than four hours :-)
Last edited by peyrol on Thu Aug 15, 2013 2:29 pm, edited 1 time in total.
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Re: dual boot clock battle: Windows versus Linux

Postby elbendecido on Thu Aug 15, 2013 10:48 am

Remember to mark the thread as solved. Click to edit the first post. At the top, add the word (solved) to the subject line.
Recuerda marcar el hilo como solucionado. Edita el primer post y agrega la palabra (Solucionado) en la línea del titulo (Subject)
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Re: dual boot clock battle: Windows versus Linux

Postby Fesiitis on Thu Aug 15, 2013 11:22 am

There is no need for any package or software. Just open with Pluma /etc/adjtime and replace UTC with LOCAL. Save and restart computer.
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SOLVED Re: dual boot clock battle: Windows versus Linux

Postby peyrol on Thu Aug 15, 2013 2:29 pm

I used sudo to open an editor on /etc/adjtime, and it worked like a charm! Thanks.
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Re: SOLVED: dual boot clock battle: Windows versus Linux

Postby elbendecido on Thu Aug 15, 2013 2:37 pm

Don't forget this:
Defining the hardware clock in Linux as UTC means that Daylight Saving Time will automatically be accounted for. If using the localtime standard the system clock will not be changed for DST occurrences assuming that another operating system will take care of the DST switch
Remember to mark the thread as solved. Click to edit the first post. At the top, add the word (solved) to the subject line.
Recuerda marcar el hilo como solucionado. Edita el primer post y agrega la palabra (Solucionado) en la línea del titulo (Subject)
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