On Sep 22, 2009, at 2:52 PM, Brian Johnson wrote:

>  property zdate: date "Monday, August 10, 1992 11:00:00 AM"
>  set file_name to ((current date)-zdate as text) & ".html"

set time_offset to do shell script "date -j 081011001992 +%s"
do shell script "date -j -v-" & time_offset & "S +%s.html"

Might even be faster.

Let me explain the code.

the time_offset is the difference between your epoch date and the unix  
one or 713458800 seconds

-j means don't set the clock
-v means I don't want now I want some other time
the S means I want it offset in seconds and the minus means before  
now.  I am not sure what happens if the epoch cross each other.

the +%s means output in seconds since the epoch.

-Mark
y2k was an epoch fail.