diff --git a/system/language/finnish/calendar_lang.php b/system/language/finnish/calendar_lang.php
new file mode 100644
index 000000000..b847259fe
--- /dev/null
+++ b/system/language/finnish/calendar_lang.php
@@ -0,0 +1,56 @@
+<?php
+/**
+ * System messages translation for CodeIgniter(tm)
+ *
+ * @author CodeIgniter community
+ * @copyright Copyright (c) 2014-2021, British Columbia Institute of Technology (https://bcit.ca/)
+ * @license http://opensource.org/licenses/MIT MIT License
+ * @link https://codeigniter.com
+ */
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+$lang['cal_su']		= 'su';
+$lang['cal_mo']		= 'ma';
+$lang['cal_tu']		= 'ti';
+$lang['cal_we']		= 'ke';
+$lang['cal_th']		= 'to';
+$lang['cal_fr']		= 'pe';
+$lang['cal_sa']		= 'la';
+$lang['cal_sun']	= 'sunn.';
+$lang['cal_mon']	= 'maan.';
+$lang['cal_tue']	= 'tiist.';
+$lang['cal_wed']	= 'desk.';
+$lang['cal_thu']	= 'torst.';
+$lang['cal_fri']	= 'perj.';
+$lang['cal_sat']	= 'lauan.;
+$lang['cal_sunday']	= 'sunnuntai';
+$lang['cal_monday']	= 'maanantai';
+$lang['cal_tuesday']	= 'tiistai';
+$lang['cal_wednesday']	= 'keskiviikko';
+$lang['cal_thursday']	= 'torstai';
+$lang['cal_friday']	= 'perjantai';
+$lang['cal_saturday']	= 'lauantai';
+$lang['cal_jan']	= 'tammi';
+$lang['cal_feb']	= 'helmi';
+$lang['cal_mar']	= 'maalis';
+$lang['cal_apr']	= 'huhti';
+$lang['cal_may']	= 'touko';
+$lang['cal_jun']	= 'kesä';
+$lang['cal_jul']	= 'heinä';
+$lang['cal_aug']	= 'elo';
+$lang['cal_sep']	= 'syys';
+$lang['cal_oct']	= 'loka';
+$lang['cal_nov']	= 'marras';
+$lang['cal_dec']	= 'joulu';
+$lang['cal_january']	= 'tammikuu';
+$lang['cal_february']	= 'helmikuu';
+$lang['cal_march']	= 'maaliskuu';
+$lang['cal_april']	= 'huhtikuu';
+$lang['cal_mayl']	= 'toukokuu';
+$lang['cal_june']	= 'kesäkuu';
+$lang['cal_july']	= 'heinäkuu';
+$lang['cal_august']	= 'elokuu';
+$lang['cal_september']	= 'syyskuu';
+$lang['cal_october']	= 'lokakuu';
+$lang['cal_november']	= 'marraskuu';
+$lang['cal_december']	= 'joulukuu';