diff --git a/include/nana/gui/timer.hpp b/include/nana/gui/timer.hpp
index 9ae26f32..4484e723 100644
--- a/include/nana/gui/timer.hpp
+++ b/include/nana/gui/timer.hpp
@@ -53,7 +53,17 @@ namespace nana
 		void stop();
 
 		void interval(unsigned milliseconds);   ///< Set the duration between calls (millisec ??)
+		template <typename Rep, typename Period>
+		inline void interval(std::chrono::duration<Rep, Period> const & time_interval) ///< Set the duration between calls, accepts std::chrono
+		{
+		    interval(std::chrono::duration_cast<std::chrono::milliseconds>(time_interval).count());
+		}
 		unsigned interval() const;
+		template <typename Duration = std::chrono::milliseconds>
+		inline Duration interval() const
+		{
+		    return std::chrono::duration_cast<Duration>(std::chrono::milliseconds(interval));
+		}
 	private:
 		nana::basic_event<arg_elapse> elapse_;
 		implement * const impl_;