> > here:
http://commons.wikimedia.org/wiki/Commons:Graphics_village_pump#Gnupl...)
>
> The xtics increment which you use (788400000) corresponds to 25 years
> with 365 days, but one year has 365.25 days. I haven't looked into the
> gnuplot sources how the time differences are handled but I guess this is
> the problem. If you use 7885000000 the labels are correct.
>
> Christoph
*facepalm* So obvious, and yet I didn't think of it. I changed the
value to 7.889238e8 now (60*60*24*365.2425*25), and it worked just
fine.
Thanks!