diff --git a/simulationtime.cpp b/simulationtime.cpp
index 69ec910e..6ec42d08 100644
--- a/simulationtime.cpp
+++ b/simulationtime.cpp
@@ -194,4 +194,10 @@ scenario_time::julian_day() const {
     return JD;
 }
 
+scenario_time::operator std::string(){
+
+    return to_string( m_time.wHour ) + ":"
+            + ( m_time.wMinute < 10 ? "0" : "" ) + to_string( m_time.wMinute ) + ":"
+            + ( m_time.wSecond < 10 ? "0" : "" ) + to_string( m_time.wSecond );
+};
 //---------------------------------------------------------------------------
diff --git a/simulationtime.h b/simulationtime.h
index 695a24cc..be5bdb86 100644
--- a/simulationtime.h
+++ b/simulationtime.h
@@ -9,6 +9,8 @@ http://mozilla.org/MPL/2.0/.
 
 #pragma once
 
+#include <string>
+
 #include "winheaders.h"
 
 // wrapper for scenario time
@@ -47,6 +49,8 @@ public:
         zone_bias() const {
             return m_timezonebias; }
 
+    /** Returns std::string in format: `"mm:ss"`. */
+    operator std::string();
 private:
     // calculates day and month from given day of year
     void
diff --git a/uilayer.cpp b/uilayer.cpp
index 71b1cd86..fc2442f3 100644
--- a/uilayer.cpp
+++ b/uilayer.cpp
@@ -279,12 +279,8 @@ ui_layer::update() {
 
         case( GLFW_KEY_F1 ) : {
             // f1, default mode: current time and timetable excerpt
-            auto const &time = simulation::Time.data();
             uitextline1 =
-                "Time: "
-                + to_string( time.wHour ) + ":"
-                + ( time.wMinute < 10 ? "0" : "" ) + to_string( time.wMinute ) + ":"
-                + ( time.wSecond < 10 ? "0" : "" ) + to_string( time.wSecond );
+                "Time: " + std::string( simulation::Time );
             if( Global.iPause ) {
                 uitextline1 += " (paused)";
             }