DateAPITestCase::testDateAPI in modules/date/tests/date_api.test

date_views_plugin_pager::query in modules/date/views/date_views_plugin_pager.inc

Transfer date information from the argument to the view.

form_process_html_datetime in includes/form.inc

Combine html_date and html_time form elements.

html_datetime_validate in includes/form.inc

Validate a combined date and time array.

html_date_validate in includes/form.inc

Validate a date string.

node_form in modules/node/node.pages.inc

Form constructor for the node add/edit form.