diff --git a/Assets/Translations/de.json b/Assets/Translations/de.json
index 1ca40177..a3318920 100644
--- a/Assets/Translations/de.json
+++ b/Assets/Translations/de.json
@@ -500,10 +500,6 @@
           "label": "Farbquelle",
           "description": "Haupteinstellungen für Noctalias Farben."
         },
-        "dark-mode": {
-          "label": "Dunkler Modus",
-          "description": "Wechselt zu einem dunkleren Theme für einfachere Betrachtung bei Nacht."
-        },
         "use-wallpaper-colors": {
           "label": "Hintergrundbild-Farben verwenden",
           "description": "Farbschemata aus Ihrem Hintergrundbild mit Matugen generieren. Extrahiert automatisch Farben für ein kohärentes Design."
@@ -513,6 +509,19 @@
           "description": "Wähle einen Farbstil für Matugen aus."
         }
       },
+      "dark-mode": {
+        "switch": {
+          "label": "Dunkler Modus",
+          "description": "Wechselt zu einem dunkleren Theme für einfachere Betrachtung bei Nacht."
+        },
+        "mode": {
+          "label": "Automatischer dunkler Modus",
+          "description": "Ermöglicht automatisches Wechseln zwischen dem hellen und dunklen Modus.",
+          "off": "Aus",
+          "manual": "Manuell",
+          "location": "Standort"
+        }
+      },
       "predefined": {
         "section": {
           "label": "Vordefinierte Farbschemata",
diff --git a/Assets/Translations/en.json b/Assets/Translations/en.json
index 50abdeca..cbad3dd8 100644
--- a/Assets/Translations/en.json
+++ b/Assets/Translations/en.json
@@ -500,10 +500,6 @@
           "label": "Color source",
           "description": "Main settings for Noctalia's colors."
         },
-        "dark-mode": {
-          "label": "Dark mode",
-          "description": "Switches to a darker theme for easier viewing at night."
-        },
         "use-wallpaper-colors": {
           "label": "Use wallpaper colors",
           "description": "Generate color schemes from your wallpaper using Matugen. Automatically extracts colors to create a cohesive theme."
@@ -513,6 +509,19 @@
           "description": "Choose the color scheme generation algorithm for Matugen."
         }
       },
+      "dark-mode": {
+        "switch": {
+          "label": "Dark mode",
+          "description": "Switches to a darker theme for easier viewing at night."
+        },
+        "mode": {
+          "label": "Dark mode schedule",
+          "description": "Enables automatic switching between light and dark mode.",
+          "off": "Off",
+          "manual": "Manual",
+          "location": "Location"
+        }
+      },
       "predefined": {
         "section": {
           "label": "Predefined color schemes",
diff --git a/Assets/Translations/es.json b/Assets/Translations/es.json
index eb79d97e..2db6da8f 100644
--- a/Assets/Translations/es.json
+++ b/Assets/Translations/es.json
@@ -500,10 +500,6 @@
           "label": "Fuente de color",
           "description": "Configuración principal de los colores de Noctalia."
         },
-        "dark-mode": {
-          "label": "Modo oscuro",
-          "description": "Cambia a un tema más oscuro para una visualización más fácil por la noche."
-        },
         "use-wallpaper-colors": {
           "label": "Usar colores del fondo de pantalla",
           "description": "Generar esquemas de color desde tu fondo de pantalla usando Matugen. Extrae automáticamente colores para crear un tema cohesivo."
@@ -513,6 +509,12 @@
           "description": "Elige el algoritmo de generación de esquema de colores para Matugen."
         }
       },
+      "dark-mode": {
+        "switch": {
+          "label": "Modo oscuro",
+          "description": "Cambia a un tema más oscuro para una visualización más fácil por la noche."
+        }
+      },
       "predefined": {
         "section": {
           "label": "Esquemas de colores predefinidos",
diff --git a/Assets/Translations/fr.json b/Assets/Translations/fr.json
index 1ef4161c..8131592a 100644
--- a/Assets/Translations/fr.json
+++ b/Assets/Translations/fr.json
@@ -500,10 +500,6 @@
           "label": "Source des couleurs",
           "description": "Paramètres principaux pour les couleurs de Noctalia."
         },
-        "dark-mode": {
-          "label": "Mode sombre",
-          "description": "Passe à un thème plus sombre pour une visualisation plus facile la nuit."
-        },
         "use-wallpaper-colors": {
           "label": "Utiliser les couleurs du fond d'écran",
           "description": "Générer des schémas de couleurs à partir de votre fond d'écran avec Matugen. Extrait automatiquement les couleurs pour créer un thème cohérent."
@@ -513,6 +509,12 @@
           "description": "Choisissez l'algorithme de génération de schéma de couleurs pour Matugen."
         }
       },
+      "dark-mode": {
+        "switch": {
+          "label": "Mode sombre",
+          "description": "Passe à un thème plus sombre pour une visualisation plus facile la nuit."
+        }
+      },
       "predefined": {
         "section": {
           "label": "Jeux de couleurs prédéfinis",
diff --git a/Assets/Translations/pt.json b/Assets/Translations/pt.json
index 2acdc07b..dd3fe7f0 100644
--- a/Assets/Translations/pt.json
+++ b/Assets/Translations/pt.json
@@ -462,10 +462,6 @@
           "label": "Fonte de cor",
           "description": "Configurações principais para as cores do Noctalia."
         },
-        "dark-mode": {
-          "label": "Modo escuro",
-          "description": "Muda para um tema mais escuro para facilitar a visualização à noite."
-        },
         "use-wallpaper-colors": {
           "label": "Usar cores do papel de parede",
           "description": "Gerar esquemas de cores do seu papel de parede usando Matugen. Extrai automaticamente cores para criar um tema coeso."
@@ -475,6 +471,12 @@
           "description": "Escolha o algoritmo de geração de esquema de cores para Matugen."
         }
       },
+      "dark-mode": {
+        "switch": {
+          "label": "Modo escuro",
+          "description": "Muda para um tema mais escuro para facilitar a visualização à noite."
+        }
+      },
       "predefined": {
         "section": {
           "label": "Esquemas de cores predefinidos",
diff --git a/Assets/Translations/zh-CN.json b/Assets/Translations/zh-CN.json
index 438191cf..4738030b 100644
--- a/Assets/Translations/zh-CN.json
+++ b/Assets/Translations/zh-CN.json
@@ -500,10 +500,6 @@
           "label": "颜色来源",
           "description": "Noctalia 颜色的主要设置。"
         },
-        "dark-mode": {
-          "label": "深色模式",
-          "description": "切换到更暗的主题，便于夜间观看。"
-        },
         "use-wallpaper-colors": {
           "label": "使用壁纸颜色",
           "description": "使用 Matugen 从壁纸生成颜色方案。自动提取颜色以创建一致的主题。"
@@ -513,6 +509,12 @@
           "description": "为 Matugen 选择配色方案生成算法。"
         }
       },
+      "dark-mode": {
+        "switch": {
+          "label": "深色模式",
+          "description": "切换到更暗的主题，便于夜间观看。"
+        }
+      },
       "predefined": {
         "section": {
           "label": "预定义配色方案",
diff --git a/Commons/Settings.qml b/Commons/Settings.qml
index a1c239e5..f98e3e3e 100644
--- a/Commons/Settings.qml
+++ b/Commons/Settings.qml
@@ -357,6 +357,9 @@ Singleton {
       property bool useWallpaperColors: false
       property string predefinedScheme: "Noctalia (default)"
       property bool darkMode: true
+      property string schedulingMode: "off"
+      property string manualSunrise: "06:30"
+      property string manualSunset: "18:30"
       property string matugenSchemeType: "scheme-fruit-salad"
       property bool generateTemplatesForPredefined: true
     }
diff --git a/Modules/Settings/Tabs/ColorSchemeTab.qml b/Modules/Settings/Tabs/ColorSchemeTab.qml
index 5909040f..7cfcf595 100644
--- a/Modules/Settings/Tabs/ColorSchemeTab.qml
+++ b/Modules/Settings/Tabs/ColorSchemeTab.qml
@@ -13,6 +13,24 @@ ColumnLayout {
   property var schemeColorsCache: ({})
   property int cacheVersion: 0 // Increment to trigger UI updates
 
+  // Time dropdown options (00:00 .. 23:30)
+  ListModel {
+    id: timeOptions
+  }
+  Component.onCompleted: {
+    for (var h = 0; h < 24; h++) {
+      for (var m = 0; m < 60; m += 30) {
+        var hh = ("0" + h).slice(-2)
+        var mm = ("0" + m).slice(-2)
+        var key = hh + ":" + mm
+        timeOptions.append({
+                             "key": key,
+                             "name": key
+                           })
+      }
+    }
+  }
+
   spacing: Style.marginL
 
   // Helper function to extract scheme name from path
@@ -138,8 +156,8 @@ ColumnLayout {
 
   // Dark Mode Toggle
   NToggle {
-    label: I18n.tr("settings.color-scheme.color-source.dark-mode.label")
-    description: I18n.tr("settings.color-scheme.color-source.dark-mode.description")
+    label: I18n.tr("settings.color-scheme.dark-mode.switch.label")
+    description: I18n.tr("settings.color-scheme.dark-mode.switch.description")
     checked: Settings.data.colorSchemes.darkMode
     enabled: true
     onToggled: checked => {
@@ -148,6 +166,77 @@ ColumnLayout {
                }
   }
 
+  NComboBox {
+    label: I18n.tr("settings.color-scheme.dark-mode.mode.label")
+    description: I18n.tr("settings.color-scheme.dark-mode.mode.description")
+
+    model: [{
+        "name": I18n.tr("settings.color-scheme.dark-mode.mode.off"),
+        "key": "off"
+      }, {
+        "name": I18n.tr("settings.color-scheme.dark-mode.mode.manual"),
+        "key": "manual"
+      }, {
+        "name": I18n.tr("settings.color-scheme.dark-mode.mode.location"),
+        "key": "location"
+      }]
+
+    currentKey: Settings.data.colorSchemes.schedulingMode
+
+    onSelected: key => {
+                  Settings.data.colorSchemes.schedulingMode = key
+                  AppThemeService.generate()
+                }
+  }
+
+  // Manual scheduling
+  ColumnLayout {
+    spacing: Style.marginS
+    visible: Settings.data.colorSchemes.schedulingMode === "manual"
+
+    NLabel {
+      label: I18n.tr("settings.display.night-light.manual-schedule.label")
+      description: I18n.tr("settings.display.night-light.manual-schedule.description")
+    }
+
+    RowLayout {
+      Layout.fillWidth: false
+      spacing: Style.marginS
+
+      NText {
+        text: I18n.tr("settings.display.night-light.manual-schedule.sunrise")
+        pointSize: Style.fontSizeM
+        color: Color.mOnSurfaceVariant
+      }
+
+      NComboBox {
+        model: timeOptions
+        currentKey: Settings.data.colorSchemes.manualSunrise
+        placeholder: I18n.tr("settings.display.night-light.manual-schedule.select-start")
+        onSelected: key => Settings.data.colorSchemes.manualSunrise = key
+        minimumWidth: 120
+      }
+
+      Item {
+        Layout.preferredWidth: 20
+      }
+
+      NText {
+        text: I18n.tr("settings.display.night-light.manual-schedule.sunset")
+        pointSize: Style.fontSizeM
+        color: Color.mOnSurfaceVariant
+      }
+
+      NComboBox {
+        model: timeOptions
+        currentKey: Settings.data.colorSchemes.manualSunset
+        placeholder: I18n.tr("settings.display.night-light.manual-schedule.select-stop")
+        onSelected: key => Settings.data.colorSchemes.manualSunset = key
+        minimumWidth: 120
+      }
+    }
+  }
+
   // Use Wallpaper Colors
   NToggle {
     label: I18n.tr("settings.color-scheme.color-source.use-wallpaper-colors.label")
diff --git a/Services/DarkModeService.qml b/Services/DarkModeService.qml
new file mode 100644
index 00000000..ad3eef00
--- /dev/null
+++ b/Services/DarkModeService.qml
@@ -0,0 +1,169 @@
+pragma Singleton
+
+import QtQuick
+import Quickshell
+import qs.Commons
+import qs.Services
+
+Singleton {
+  id: root
+
+  property bool initComplete: false
+  property bool nextDarkModeState: false
+
+  Connections {
+    target: LocationService.data
+    enabled: Settings.data.colorSchemes.schedulingMode == "location"
+    function onWeatherChanged() {
+      if (LocationService.data.weather !== null) {
+        const changes = root.collectWeatherChanges(LocationService.data.weather)
+        if (!root.initComplete) {
+          root.initComplete = true
+          root.applyCurrentMode(changes)
+        }
+        root.scheduleNextMode(changes)
+      }
+    }
+  }
+
+  Connections {
+    target: Settings.data.colorSchemes
+    enabled: Settings.data.colorSchemes.schedulingMode == "manual"
+    function onManualSunriseChanged() {
+      const changes = root.collectManualChanges()
+      root.applyCurrentMode(changes)
+      root.scheduleNextMode(changes)
+    }
+    function onManualSunsetChanged() {
+      const changes = root.collectManualChanges()
+      root.applyCurrentMode(changes)
+      root.scheduleNextMode(changes)
+    }
+  }
+
+  Connections {
+    target: Settings.data.colorSchemes
+    function onSchedulingModeChanged() {
+      root.init()
+    }
+  }
+
+  Timer {
+    id: timer
+    onTriggered: {
+      Settings.data.colorSchemes.darkMode = root.nextDarkModeState
+      if (LocationService.data.weather !== null) {
+        const changes = root.collectWeatherChanges(LocationService.data.weather)
+        root.scheduleNextMode(changes)
+      }
+    }
+  }
+
+  function init() {
+    Logger.i("DarkModeService", "Service started")
+
+    if (Settings.data.colorSchemes.schedulingMode == "manual") {
+      const changes = collectManualChanges()
+      initComplete = true
+      applyCurrentMode(changes)
+      scheduleNextMode(changes)
+    }
+
+    if (Settings.data.colorSchemes.schedulingMode == "location" && LocationService.data.weather) {
+      const changes = collectWeatherChanges(LocationService.data.weather)
+      initComplete = true
+      applyCurrentMode(changes)
+      scheduleNextMode(changes)
+    }
+  }
+
+  function parseTime(timeString) {
+    const parts = timeString.split(":").map(Number)
+    return {
+      "hour": parts[0],
+      "minute": parts[1]
+    }
+  }
+
+  function collectManualChanges() {
+    const sunriseTime = parseTime(Settings.data.colorSchemes.manualSunrise)
+    const sunsetTime = parseTime(Settings.data.colorSchemes.manualSunset)
+
+    const now = new Date()
+    const year = now.getFullYear()
+    const month = now.getMonth()
+    const day = now.getDate()
+
+    const yesterdaysSunset = new Date(year, month, day - 1, sunsetTime.hour, sunsetTime.minute)
+    const todaysSunrise = new Date(year, month, day, sunriseTime.hour, sunriseTime.minute)
+    const todaysSunset = new Date(year, month, day, sunsetTime.hour, sunsetTime.minute)
+    const tomorrowsSunrise = new Date(year, month, day + 1, sunriseTime.hour, sunriseTime.minute)
+
+    return [{
+              "time": yesterdaysSunset.getTime(),
+              "darkMode": true
+            }, {
+              "time": todaysSunrise.getTime(),
+              "darkMode": false
+            }, {
+              "time": todaysSunset.getTime(),
+              "darkMode": true
+            }, {
+              "time": tomorrowsSunrise.getTime(),
+              "darkMode": false
+            }]
+  }
+
+  function collectWeatherChanges(weather) {
+    const changes = []
+
+    if (Date.now() < Date.parse(weather.daily.sunrise[0])) {
+      // The sun has not risen yet
+      changes.push({
+                     "time": Date.now() - 1,
+                     "darkMode": true
+                   })
+    }
+
+    for (var i = 0; i < weather.daily.sunrise.length; i++) {
+      changes.push({
+                     "time": Date.parse(weather.daily.sunrise[i]),
+                     "darkMode": false
+                   })
+      changes.push({
+                     "time": Date.parse(weather.daily.sunset[i]),
+                     "darkMode": true
+                   })
+    }
+
+    return changes
+  }
+
+  function applyCurrentMode(changes) {
+    const now = Date.now()
+
+    // changes.findLast(change => change.time < now) // not available in QML...
+    let lastChange = null
+    for (var i = 0; i < changes.length; i++) {
+      if (changes[i].time < now) {
+        lastChange = changes[i]
+      }
+    }
+
+    if (lastChange) {
+      Settings.data.colorSchemes.darkMode = lastChange.darkMode
+      Logger.d("DarkModeService", `Reset: darkmode=${lastChange.darkMode}`)
+    }
+  }
+
+  function scheduleNextMode(changes) {
+    const now = Date.now()
+    const nextChange = changes.find(change => change.time > now)
+    if (nextChange) {
+      root.nextDarkModeState = nextChange.darkMode
+      timer.interval = nextChange.time - now
+      timer.restart()
+      Logger.d("DarkModeService", `Scheduled: darkmode=${nextChange.darkMode} in ${timer.interval} ms`)
+    }
+  }
+}
diff --git a/Services/LocationService.qml b/Services/LocationService.qml
index 0886e142..7c2df5d4 100644
--- a/Services/LocationService.qml
+++ b/Services/LocationService.qml
@@ -69,7 +69,7 @@ Singleton {
   Timer {
     id: updateTimer
     interval: 20 * 1000
-    running: Settings.data.location.weatherEnabled
+    running: Settings.data.location.weatherEnabled || Settings.data.colorSchemes.schedulingMode == "location"
     repeat: true
     onTriggered: {
       updateWeather()
@@ -190,7 +190,7 @@ Singleton {
   // --------------------------------
   function _fetchWeather(latitude, longitude, errorCallback) {
     Logger.d("Location", "Fetching weather from api.open-meteo.com")
-    var url = "https://api.open-meteo.com/v1/forecast?latitude=" + latitude + "&longitude=" + longitude + "&current_weather=true&current=relativehumidity_2m,surface_pressure&daily=temperature_2m_max,temperature_2m_min,weathercode&timezone=auto"
+    var url = "https://api.open-meteo.com/v1/forecast?latitude=" + latitude + "&longitude=" + longitude + "&current_weather=true&current=relativehumidity_2m,surface_pressure&daily=temperature_2m_max,temperature_2m_min,weathercode,sunset,sunrise&timezone=auto"
     var xhr = new XMLHttpRequest()
     xhr.onreadystatechange = function () {
       if (xhr.readyState === XMLHttpRequest.DONE) {
diff --git a/shell.qml b/shell.qml
index e3a41352..16227fd1 100644
--- a/shell.qml
+++ b/shell.qml
@@ -86,6 +86,7 @@ ShellRoot {
         BarWidgetRegistry.init()
         LocationService.init()
         NightLightService.apply()
+        DarkModeService.init()
         FontService.init()
         HooksService.init()
         BluetoothService.init()