diff --git a/applets/digital-clock/package/contents/ui/CalendarView.qml b/applets/digital-clock/package/contents/ui/CalendarView.qml
--- a/applets/digital-clock/package/contents/ui/CalendarView.qml
+++ b/applets/digital-clock/package/contents/ui/CalendarView.qml
@@ -141,7 +141,7 @@
             }
             level: 1
             elide: Text.ElideRight
-            text: agenda.dateString("dddd")
+            text: uiLocale.standaloneDayName(monthView.currentDate.getDay())
         }
         PlasmaComponents.Label {
             id: dateHeading
@@ -152,7 +152,7 @@
                 leftMargin: spacing / 2
             }
             elide: Text.ElideRight
-            text: Qt.locale().standaloneMonthName(monthView.currentDate.getMonth())
+            text: uiLocale.standaloneMonthName(monthView.currentDate.getMonth())
                              + agenda.dateString(" yyyy")
         }
 
diff --git a/applets/digital-clock/package/contents/ui/DigitalClock.qml b/applets/digital-clock/package/contents/ui/DigitalClock.qml
--- a/applets/digital-clock/package/contents/ui/DigitalClock.qml
+++ b/applets/digital-clock/package/contents/ui/DigitalClock.qml
@@ -594,7 +594,11 @@
 
 
         if (main.showDate) {
-            dateLabel.text = Qt.formatDate(main.currentTime, main.dateFormat);
+            if (main.dateFormat == Qt.SystemLocaleLongDate) {
+                dateLabel.text = uiLocaleFormatDate(main.currentTime, Qt.locale().dateFormat(Locale.LongFormat));
+            } else {
+                dateLabel.text = Qt.formatDate(main.currentTime, main.dateFormat);
+            }
         } else {
             // clear it so it doesn't take space in the layout
             dateLabel.text = "";
diff --git a/applets/digital-clock/package/contents/ui/Tooltip.qml b/applets/digital-clock/package/contents/ui/Tooltip.qml
--- a/applets/digital-clock/package/contents/ui/Tooltip.qml
+++ b/applets/digital-clock/package/contents/ui/Tooltip.qml
@@ -92,14 +92,14 @@
                 Layout.minimumWidth: Math.min(implicitWidth, preferredTextWidth)
                 Layout.maximumWidth: preferredTextWidth
                 elide: Text.ElideRight
-                text: Qt.formatDate(tzDate,"dddd")
+                text: uiLocale.standaloneDayName(tzDate.getDay())
             }
 
             PlasmaComponents.Label {
                 id: tooltipSubtext
                 Layout.minimumWidth: Math.min(implicitWidth, preferredTextWidth)
                 Layout.maximumWidth: preferredTextWidth
-                text: Qt.formatDate(tzDate, dateFormatString)
+                text: uiLocaleFormatDate(tzDate, dateFormatString)
                 opacity: 0.6
             }
 
diff --git a/applets/digital-clock/package/contents/ui/main.qml b/applets/digital-clock/package/contents/ui/main.qml
--- a/applets/digital-clock/package/contents/ui/main.qml
+++ b/applets/digital-clock/package/contents/ui/main.qml
@@ -31,6 +31,7 @@
 
     width: units.gridUnit * 10
     height: units.gridUnit * 4
+    property var uiLocale: Qt.locale(Qt.locale().uiLanguages[0])
     property string dateFormatString: setDateFormatString()
     property date tzDate: {
         // get the time for the given timezone from the dataengine
@@ -90,6 +91,12 @@
         return format;
     }
 
+    function uiLocaleFormatDate(date, format) {
+        format = format.replace("dddd", "'" + uiLocale.dayName(date.getDay()) + "'")
+                       .replace("MMMM", "'" + uiLocale.monthName(date.getMonth()) + "'");
+        return Qt.formatDate(date, format);
+    }
+
     function action_clockkcm() {
         KCMShell.open("clock");
     }