diff --git a/resources/config/textures.xml b/resources/config/textures.xml
index a76be6590..2082e678a 100644
--- a/resources/config/textures.xml
+++ b/resources/config/textures.xml
@@ -2,6 +2,7 @@
 	<texture name="block_destroy"    path="resources/textures/block_destroy.png" />
 	<texture name="font"             path="resources/textures/font.png" />
 	<texture name="menu_background"  path="resources/textures/menu_background.png" repeat="true" />
+	<texture name="moon_phases"      path="resources/textures/moon_phases.png" />
 	<texture name="player"           path="resources/textures/player.png" />
 	<texture name="sun"              path="resources/textures/sun.png" />
 	<texture name="title_screen"     path="resources/textures/title_screen.png" />
diff --git a/resources/textures/moon_phases.png b/resources/textures/moon_phases.png
new file mode 100644
index 000000000..82d7c4b44
Binary files /dev/null and b/resources/textures/moon_phases.png differ
diff --git a/source/client/graphics/CelestialObject.cpp b/source/client/graphics/CelestialObject.cpp
index 83eddd72f..f0b9c19e0 100644
--- a/source/client/graphics/CelestialObject.cpp
+++ b/source/client/graphics/CelestialObject.cpp
@@ -26,6 +26,7 @@
  */
 #include <gk/core/GameClock.hpp>
 #include <gk/gl/GLCheck.hpp>
+#include <gk/gl/Texture.hpp>
 #include <gk/resource/ResourceHandler.hpp>
 
 #include "CelestialObject.hpp"
@@ -62,14 +63,25 @@ void CelestialObject::updateVertexBuffer() const {
 	}
 
 	if (m_texture) {
-		vertices[0].texCoord[0] = 1.f;
-		vertices[0].texCoord[1] = 0.f;
-		vertices[1].texCoord[0] = 0.f;
-		vertices[1].texCoord[1] = 0.f;
-		vertices[2].texCoord[0] = 0.f;
-		vertices[2].texCoord[1] = 1.f;
-		vertices[3].texCoord[0] = 1.f;
-		vertices[3].texCoord[1] = 1.f;
+		gk::FloatRect texRect{0, 0, 1, 1};
+
+		if (m_phaseCount && m_phaseSize && m_currentPhase < m_phaseCount) {
+			u16 currentPhaseX = m_currentPhase % (m_texture->getSize().x / m_phaseSize);
+			u16 currentPhaseY = m_currentPhase / (m_texture->getSize().x / m_phaseSize);
+			texRect.x = currentPhaseX / float(m_texture->getSize().x);
+			texRect.y = currentPhaseY / float(m_texture->getSize().y);
+			texRect.sizeX = m_phaseSize / float(m_texture->getSize().x);
+			texRect.sizeY = m_phaseSize / float(m_texture->getSize().y);
+		}
+
+		vertices[0].texCoord[0] = texRect.x + texRect.sizeX;
+		vertices[0].texCoord[1] = texRect.y;
+		vertices[1].texCoord[0] = texRect.x;
+		vertices[1].texCoord[1] = texRect.y;
+		vertices[2].texCoord[0] = texRect.x;
+		vertices[2].texCoord[1] = texRect.y + texRect.sizeY;
+		vertices[3].texCoord[0] = texRect.x + texRect.sizeX;
+		vertices[3].texCoord[1] = texRect.y + texRect.sizeY;
 	}
 
 	gk::VertexBuffer::bind(&m_vbo);
diff --git a/source/client/graphics/CelestialObject.hpp b/source/client/graphics/CelestialObject.hpp
index d0351fc01..1111d2b41 100644
--- a/source/client/graphics/CelestialObject.hpp
+++ b/source/client/graphics/CelestialObject.hpp
@@ -42,6 +42,8 @@ class CelestialObject : public gk::Drawable, public gk::Transformable  {
 		void setColor(const gk::Color &color) { m_color = color; m_isUpdateNeeded = true; }
 		void setSize(float width, float height) { m_width = width; m_height = height; m_isUpdateNeeded = true; }
 		void setTexture(const std::string &textureName);
+		void setPhaseCount(u16 phaseCount, u16 phaseSize) { m_phaseCount = phaseCount; m_phaseSize = phaseSize; m_isUpdateNeeded = true; }
+		void setCurrentPhase(u16 currentPhase) { m_currentPhase = currentPhase; m_isUpdateNeeded = true; }
 
 	private:
 		void updateVertexBuffer() const;
@@ -58,6 +60,10 @@ class CelestialObject : public gk::Drawable, public gk::Transformable  {
 		const gk::Texture *m_texture = nullptr;
 
 		mutable bool m_isUpdateNeeded = true;
+
+		u16 m_phaseCount = 0;
+		u16 m_phaseSize = 0;
+		u16 m_currentPhase = 0;
 };
 
 #endif // CELESTIALOBJECT_HPP_
diff --git a/source/client/graphics/Skybox.cpp b/source/client/graphics/Skybox.cpp
index 5d868ff03..8b1f9d096 100644
--- a/source/client/graphics/Skybox.cpp
+++ b/source/client/graphics/Skybox.cpp
@@ -37,13 +37,16 @@ Skybox::Skybox(gk::Camera &camera, ClientWorld &world) : m_camera(camera), m_wor
 	m_shader.linkProgram();
 
 	m_sun.setColor(gk::Color::Yellow);
-	m_sun.setSize(100, 100);
-	m_sun.setPosition(300, -m_sun.width() / 2, -m_sun.height() / 2);
+	m_sun.setSize(200, 200);
+	m_sun.setPosition(500, -m_sun.width() / 2, -m_sun.height() / 2);
 	m_sun.setTexture("texture-sun");
 
 	m_moon.setColor(gk::Color{240, 240, 240});
-	m_moon.setSize(20, 20);
-	m_moon.setPosition(-300, -m_moon.width() / 2, -m_moon.height() / 2);
+	m_moon.setSize(200, 200);
+	m_moon.setPosition(-500, -m_moon.width() / 2, -m_moon.height() / 2);
+	m_moon.setTexture("texture-moon_phases");
+	m_moon.setPhaseCount(8, 32);
+	m_moon.setCurrentPhase(0);
 }
 
 void Skybox::draw(gk::RenderTarget &target, gk::RenderStates states) const {