backdrop_session_initialize in core/includes/session.inc

Initializes the session handler, starting a session if needed.

backdrop_session_regenerate in core/includes/session.inc

Called when an anonymous user becomes authenticated or vice-versa.

CommonFormatDateTestCase::testFormatDate in core/modules/simpletest/tests/common.test

Tests for the format_date() function.

drupal_get_user_timezone in core/includes/drupal.inc

Returns the time zone of the current user.

views_get_timezone in core/modules/views/includes/utility.inc

Figure out what timezone we're in; needed for some date manipulations.

_backdrop_bootstrap_page_cache in core/includes/bootstrap.inc

Attempts to serve a page from the cache.