diff --git a/internal/Clock.hpp b/internal/Clock.hpp
new file mode 100644
index 0000000..2deaa30
--- /dev/null
+++ b/internal/Clock.hpp
@@ -0,0 +1,23 @@
+#include <Time.hpp>
+
+
+namespace rnd7 {
+    class Clock {
+    public:
+        Clock() {};
+
+        virtual ~Clock() {};
+
+        
+        virtual Time getCurrentTime() const { return Time{}; };
+
+        Time getElapsedTime() const;
+
+        Time restart();
+
+    protected:
+
+        Time m_startTime; ///< Time of last reset, in microseconds
+    };
+
+}