Adjust date

$dateadjust=3;

...would adjust the date the order status was updated by 3 hours.

$dateadjust=-4;

...would adjust it by minus 4 hours. This is so that if your server time is not the same as your local time then you can adjust for this.

$dateformatstr="d/m/Y";

...would show the European date format of day / month / year for packing slips

$dateformatstr="dS F Y";

..would show the date in the format for example 25th May 2004 20:17

Admin date
To set dates in your admin section to US style format (for instance mm/dd/yyyy), set the following
$admindateformat=1;

To set dates in your admin section to UK style format (for instance dd/mm/yyyy), set the following
$admindateformat=2;