maybe it has something to do with your timezone?

lotte% ls -ltr /proc
d-r-xr-xr-x p 0 fgb fgb 0 Feb 19 16:54 /proc/1
[...]
lotte%  uptime
lotte up 0 days, 03:34:51
lotte% date
Wed Mar 29 20:29:58 ART 2006
lotte%