diff --git a/demos/datepicker/localization.html b/demos/datepicker/localization.html
index c7c41562281..96819629504 100644
--- a/demos/datepicker/localization.html
+++ b/demos/datepicker/localization.html
@@ -54,8 +54,10 @@
 	<script src="../../ui/i18n/jquery.ui.datepicker-mk.js"></script>
 	<script src="../../ui/i18n/jquery.ui.datepicker-ml.js"></script>
 	<script src="../../ui/i18n/jquery.ui.datepicker-ms.js"></script>
+	<script src="../../ui/i18n/jquery.ui.datepicker-nb.js"></script>
 	<script src="../../ui/i18n/jquery.ui.datepicker-nl.js"></script>
 	<script src="../../ui/i18n/jquery.ui.datepicker-nl-BE.js"></script>
+	<script src="../../ui/i18n/jquery.ui.datepicker-nn.js"></script>
 	<script src="../../ui/i18n/jquery.ui.datepicker-no.js"></script>
 	<script src="../../ui/i18n/jquery.ui.datepicker-pl.js"></script>
 	<script src="../../ui/i18n/jquery.ui.datepicker-pt.js"></script>
@@ -144,7 +146,9 @@
 		<option value="mk">Macedonian</option>
 		<option value="ml">Malayalam</option>
 		<option value="ms">Malaysian (Bahasa Malaysia)</option>
+		<option value="nb">Norwegian (Bokmål)</option>
 		<option value="no">Norwegian (Norsk)</option>
+		<option value="nn">Norwegian (Nynorsk)</option>
 		<option value="pl">Polish (Polski)</option>
 		<option value="pt">Portuguese (Portugu&ecirc;s)</option>
 		<option value="pt-BR">Portuguese/Brazilian (Portugu&ecirc;s)</option>
diff --git a/ui/i18n/jquery.ui.datepicker-nb.js b/ui/i18n/jquery.ui.datepicker-nb.js
new file mode 100644
index 00000000000..845a5052da0
--- /dev/null
+++ b/ui/i18n/jquery.ui.datepicker-nb.js
@@ -0,0 +1,22 @@
+/* Norwegian Bokmål initialisation for the jQuery UI date picker plugin. */
+/* Written by Bjørn Johansen (post@bjornjohansen.no). */
+jQuery(function($){
+	$.datepicker.regional['nb'] = {
+		closeText: 'Lukk',
+		prevText: '&#xAB;Forrige',
+		nextText: 'Neste&#xBB;',
+		currentText: 'I dag',
+		monthNames: ['januar','februar','mars','april','mai','juni','juli','august','september','oktober','november','desember'],
+		monthNamesShort: ['jan','feb','mar','apr','mai','jun','jul','aug','sep','okt','nov','des'],
+		dayNamesShort: ['søn','man','tir','ons','tor','fre','lør'],
+		dayNames: ['søndag','mandag','tirsdag','onsdag','torsdag','fredag','lørdag'],
+		dayNamesMin: ['sø','ma','ti','on','to','fr','lø'],
+		weekHeader: 'Uke',
+		dateFormat: 'dd.mm.yy',
+		firstDay: 1,
+		isRTL: false,
+		showMonthAfterYear: false,
+		yearSuffix: ''
+	};
+	$.datepicker.setDefaults($.datepicker.regional['nb']);
+});
diff --git a/ui/i18n/jquery.ui.datepicker-nn.js b/ui/i18n/jquery.ui.datepicker-nn.js
new file mode 100644
index 00000000000..b55245ee6b0
--- /dev/null
+++ b/ui/i18n/jquery.ui.datepicker-nn.js
@@ -0,0 +1,22 @@
+/* Norwegian Nynorsk initialisation for the jQuery UI date picker plugin. */
+/* Written by Bjørn Johansen (post@bjornjohansen.no). */
+jQuery(function($){
+	$.datepicker.regional['nn'] = {
+		closeText: 'Lukk',
+		prevText: '&#xAB;Førre',
+		nextText: 'Neste&#xBB;',
+		currentText: 'I dag',
+		monthNames: ['januar','februar','mars','april','mai','juni','juli','august','september','oktober','november','desember'],
+		monthNamesShort: ['jan','feb','mar','apr','mai','jun','jul','aug','sep','okt','nov','des'],
+		dayNamesShort: ['sun','mån','tys','ons','tor','fre','lau'],
+		dayNames: ['sundag','måndag','tysdag','onsdag','torsdag','fredag','laurdag'],
+		dayNamesMin: ['su','må','ty','on','to','fr','la'],
+		weekHeader: 'Veke',
+		dateFormat: 'dd.mm.yy',
+		firstDay: 1,
+		isRTL: false,
+		showMonthAfterYear: false,
+		yearSuffix: ''
+	};
+	$.datepicker.setDefaults($.datepicker.regional['nn']);
+});