diff --git a/main.c b/main.c
index ca74b48..58781ce 100644
--- a/main.c
+++ b/main.c
@@ -305,6 +305,18 @@ int main(void)
 	//rtc_write_time(0,52,9,4,23,3,2016);
 	//rtc_oscillator_enable();
 
+	uint8_t current_seconds = rtc_read_seconds(); // read seconds to check if time changed
+	while (true) { // infinite loop
+		uint8_t new_seconds = rtc_read_seconds(); // read seconds to check if time changed
+		if (new_seconds!=current_seconds) { // show new time
+			current_seconds = new_seconds; // save new seconds
+			rtc_time = rtc_read_time(); // get RTC time/date
+			current_time = rtc_time[2]*ticks_hour+rtc_time[1]*ticks_minute+rtc_time[0]*ticks_second; // calculate current time
+			clock_set_time(current_time); // set time
+			printf("it is now %02lu:%02lu:%02lu\n", current_time/ticks_hour, (current_time%ticks_hour)/ticks_minute, (current_time%ticks_minute)/ticks_second); // display time
+		}
+	}
+
 	printf("input commands\n");
 	bool action = false; // if an action has been performed don't go to sleep
 	button_flag = false; // reset button flag