there are RTC modules for the pi (talk over i2c, based on DS1307
or DS3231). i use them with linux distro's and they seem to work fine.



On Mon, Jul 7, 2014 at 6:59 AM, Richard Miller <9fans@hamnavoe.com> wrote:

> > By the way, how I can arrage the correct time in this system?
> > I don't mean the /adm/timezone/local, because
> > in the usual PC, we can change it at BIOS screen.
>
> Unlike a PC, the raspberry pi doesn't have a battery-backed
> real time clock.  If you configure a kernel without the 'fakertc'
> device, it will prompt you to enter the time and date when you
> power on.  For me this was too annoying, which is why I made the
> fakertc device.  With a network connection, the time should be
> corrected by aux/timesync soon after booting.
>
>
>