Forum OpenACS Development: Re: Output Format for showCalendar Function on core.js
I feel the international standard date and time notation should be returned as the default if nothing is specified in ad_form.
Here is a link that describes the standard:
Also, after a quick search I noticed a difference in the notation of the output options (e.g. on that page they type YYYY-MM-DD). Are you using some tcl formating option for dates?