[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: odd date/time stamps
On Fri, 6 Sep 2002, Seth Arnold wrote:
> I let my laptop run out of battery while on sleep. It turns out it
> doesn't do any nice suspend-to-disk things, it just dies.. Anyway, I
> found some files like this:
> -rw-r--r-- 1 root root 24 Jan 1 1904 modules.pnpbiosmap
> -rw-r--r-- 1 root root 29 Jan 1 1904 modules.parportmap
>
> How on earth did the time get set to jan 1 1904?? 1970 I could
> understand.. but 1904 just baffles me. (I think I've heard excel
> stores dates as offsets since jan 1 1904, but unix never seemed
> to like 1904. :)
Unix stores dates as a _signed_ offset since jan 1 1970.
The 2^31 bits in each direction is good for about 68 years,
up to 2038 in one direction and 1902 in the other.
regards,
Rik
--
Bravely reimplemented by the knights who say "NIH".
http://www.surriel.com/ http://distro.conectiva.com/
Spamtraps of the month: september@surriel.com trac@trac.org