Re: [MLUG] 2038 Rollover - Was: Unix Epoch Time

[John Engelbrecht <EMAIL:PROTECTED>]

i see, thats interesting

On Thu, 8 Jan 2004, Russell Horn wrote:

> > ><LilLulu>   3) 1073543366 seconds since the Unix Epoch
> > (1/1/1970 00:00:00)
> > >
> > >She wants to know what is so important about that big..
> > number.
>
> One important thing about it is we have 34 years and 11 days before it
> rolls over and we all relive our pasts. That's 2147483647 seconds since
> the Unix Epoch.
>
> Most POSIX compliant computers store the time as a 32 bit integer
> counting upwards from the Unix Epoch. Because we quite often want to do
> date and time comparisons prior to 1970, this is often a signed integer
> - i.e. dates prior to 1970 have a negative timestamp. As a result, until
> we all go 64 bit, most of our computers only handle a date range from
> 1901 to 2038 without doing fancy programming.
>
> Fortunately I won't quite be at retirement age when that one comes round
> to provide the same much needed income boost to IT workers that y2k did
> :)
>
> You can even see if your computer is affected with this bit of perl.
>
> Russell.
>
>
> #!/usr/bin/perl
> use POSIX;
> $ENV{'TZ'} = "GMT";
>
> for ($clock = 2147483641; $clock < 2147483651; $clock++)
>      {
>       print ctime($clock);
>      }
>
>
>
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