DJ-Classifieds uses the PHP date format.
You can change the settings of the date format in options.
The default date format is:
Y-m-d H:i:s
(on the screenshot below, you can see how it looks like by default) - it means that the date displays in 24h format with the order :
Year-month-day Hours:minutes:seconds
You can find out the syntax of the date format here: http://php.net/manual/function.date.php
For example, let's change the date format to look like:
month-day-year hours:minutes:seconds
and to be in 12h format
Checking the above PHP manual, the syntax for this should be:
m-d-Y h:i:s a
(a indicates that we want to display am/pm parameter).
Open your DJ-Classifieds control panel. Navigate to "Options" and scroll down to the "Date Settings" section.