Nadia Borissova Feb 17, 2012:

out of class hours Извънаудиторните часове са часовете посветени на самоподготовка.
Пр.: http://www.google.be/search?sourceid=navclient&hl=nl&ie=UTF-...

Ето един пример на английски, където се използва out of class hours и става ясно, че се има предвид самоподготовка.
The Department of Education policy states
that one credit hour is the amount of student work that reasonably approximates not less
than one hour of class time and two hours of out-of-class time per week over the span of a
semester.
Източник: http://www.sandiego.edu/documents/wasc/effectiveness/attachm...

Изглежда, че Еxtracurricular hours в американските университети са дисциплини/практики, които не са включени в учебната програма.

Примери:
"Remember to subtract extracurricular hours. Students are only allowed 4 credit hours of courses like basketball or canoeing, unless they fall into the category ..."

"Unstructured extracurricular hours spent working in a pharmacy are not eligible as SPT. Students must notify ACP of any extracurricular activities being ..."