Hi, the format is actually defined in the internationalization messages file.
To change this format, you would need to add a new messages file for your language.
here is the location of the default file:
server/exp/webapp/WEB-INF/grails-app/i18n/messages.properties
for Spanish I think it would be called messages_es.properties
server/exp/webapp/WEB-INF/grails-app/i18n/messages_es.properties
This is the default:
# date format used in content of All Events list items
jobslist.date.format=M/d/yy h:mm a
jobslist.date.format.ko=M/DD/YY h:mm a