diff --git a/plasma/applets/calendar/calendar.cpp b/plasma/applets/calendar/calendar.cpp
index 69611df0..aa0d5b27 100644
--- a/plasma/applets/calendar/calendar.cpp
+++ b/plasma/applets/calendar/calendar.cpp
@@ -95,14 +95,14 @@ CalendarApplet::CalendarApplet(QObject *parent, const QVariantList &args)
     m_timer = new QTimer(this);
     // 3sec to account for localtime changes for example
     m_timer->setInterval(3000);
-    connect(m_timer, SIGNAL(timeout()), this, SLOT(slotCheckDate()));
+    connect(m_timer, SIGNAL(timeout()), this, SLOT(slotTimeout()));
 }
 
 void CalendarApplet::init()
 {
-    slotCheckDate();
-    m_timer->start();
     Plasma::ToolTipManager::self()->registerWidget(this);
+    slotTimeout();
+    m_timer->start();
 }
 
 QGraphicsWidget *CalendarApplet::graphicsWidget()
@@ -137,7 +137,7 @@ void CalendarApplet::popupEvent(bool show)
     }
 }
 
-void CalendarApplet::slotCheckDate()
+void CalendarApplet::slotTimeout()
 {
     const int today = kGetDay();
     if (today != m_day) {
@@ -145,7 +145,7 @@ void CalendarApplet::slotCheckDate()
         kDebug() << "updating calendar icon" << m_day << today;
         paintIcon();
     }
-
+    // affected by locale changes so always updated
     Plasma::ToolTipContent plasmatooltip;
     plasmatooltip.setMainText(i18n("Current Date"));
     const QString calendarstring = KGlobal::locale()->formatDate(QDate::currentDate());
diff --git a/plasma/applets/calendar/calendar.h b/plasma/applets/calendar/calendar.h
index 5576ad5d..952d0fa0 100644
--- a/plasma/applets/calendar/calendar.h
+++ b/plasma/applets/calendar/calendar.h
@@ -43,7 +43,7 @@ protected:
     void popupEvent(bool show) final;
 
 private slots:
-    void slotCheckDate();
+    void slotTimeout();
     void slotConfigAccepted();
 
 private:
diff --git a/plasma/applets/luna/luna.cpp b/plasma/applets/luna/luna.cpp
index 5cd33dd3..be9b8a22 100644
--- a/plasma/applets/luna/luna.cpp
+++ b/plasma/applets/luna/luna.cpp
@@ -43,9 +43,8 @@ static int kLunaPhase()
     return roundmoonphase;
 }
 
-static QString kLunaPhaseString()
+static QString kLunaPhaseString(const int phase)
 {
-    const int phase = kLunaPhase();
     switch (phase) {
         case 0: {
             return i18n("New Moon");
@@ -104,7 +103,8 @@ static QString kLunaPhaseString()
 LunaApplet::LunaApplet(QObject *parent, const QVariantList &args)
     : Plasma::Applet(parent, args),
     m_svg(nullptr),
-    m_timer(nullptr)
+    m_timer(nullptr),
+    m_phase(0)
 {
     KGlobal::locale()->insertCatalog("plasma_applet_luna");
     setAspectRatioMode(Plasma::AspectRatioMode::Square);
@@ -122,8 +122,9 @@ LunaApplet::LunaApplet(QObject *parent, const QVariantList &args)
 
 void LunaApplet::init()
 {
-    m_timer->start();
     Plasma::ToolTipManager::self()->registerWidget(this);
+    slotTimeout();
+    m_timer->start();
 }
 
 void LunaApplet::paintInterface(QPainter *painter,
@@ -135,7 +136,7 @@ void LunaApplet::paintInterface(QPainter *painter,
     painter->setRenderHint(QPainter::SmoothPixmapTransform);
     painter->setRenderHint(QPainter::Antialiasing);
 
-    m_svg->paint(painter, contentsRect, QString::number(kLunaPhase()));
+    m_svg->paint(painter, contentsRect, QString::number(m_phase));
 }
 
 void LunaApplet::constraintsEvent(Plasma::Constraints constraints)
@@ -161,9 +162,14 @@ void LunaApplet::constraintsEvent(Plasma::Constraints constraints)
 
 void LunaApplet::slotTimeout()
 {
-    update();
+    const int phase = kLunaPhase();
+    if (phase != m_phase) {
+        m_phase = phase;
+        update();
+    }
+    // affected by locale changes so always updated
     Plasma::ToolTipContent plasmatooltip;
-    plasmatooltip.setMainText(kLunaPhaseString());
+    plasmatooltip.setMainText(kLunaPhaseString(m_phase));
     Plasma::ToolTipManager::self()->setContent(this, plasmatooltip);
 }
 
diff --git a/plasma/applets/luna/luna.h b/plasma/applets/luna/luna.h
index 2cf9f790..872c5f3b 100644
--- a/plasma/applets/luna/luna.h
+++ b/plasma/applets/luna/luna.h
@@ -45,6 +45,7 @@ private Q_SLOTS:
 private:
     Plasma::Svg* m_svg;
     QTimer* m_timer;
+    int m_phase;
 };
 
 K_EXPORT_PLASMA_APPLET(luna, LunaApplet)