3 calls to system_date_format_locale()

locale_date_format_form in modules/locale/locale.admin.inc: Provide date localization configuration options to users.
locale_get_localized_date_format in includes/locale.inc: Select locale date format details from database.
system_date_formats_rebuild in modules/system/system.module: Resets the database cache of date formats and saves all new date formats.

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