DateFieldTestCase::dateForm in core/modules/date/tests/date_field.test

Tests that date field functions properly on the node form.

DateTimezoneTestCase::dateForm in core/modules/date/tests/date_timezone.test

Utility function to validate the node form displays date fields correctly.

DateTimezoneTestCase::dateMultiValueForm in core/modules/date/tests/date_timezone.test

Tests the submission of a date field's widget form when using unlimited cardinality

DateUITestCase::setUp in core/modules/date/tests/date.test

Sets up a Backdrop site for running functional and integration tests.

date_default_format in core/modules/date/date.module

Gets the default date format for the given field widget.

date_format_date in core/includes/date.inc

Formats a date, using a date type or a custom date format string.

date_format_type_format in core/modules/date/date.module

Helper function to get the right date format for a format type.

date_input_format in core/modules/date/date.elements.inc

Determine the input format for this element.

date_sql_handler::views_formats in core/modules/date/views/date_sql_handler.inc

@todo.

dblog_update_1001 in core/modules/dblog/dblog.install

Set the format for dates in the database log.

format_date in core/includes/common.inc

Formats a date, using a date type or a custom date format string.

form_process_date in core/includes/form.inc

Expands a date element into year, month, and day select elements.

UserTimeZoneFunctionalTest::testUserTimeZone in core/modules/user/tests/user.test

Tests the display of dates and time when user-configurable time zones are set.

_date_element_info in core/modules/date/date.elements.inc

Implements hook_element_info().