diff --git a/main.c b/main.c
index 0acf287..f531e7d 100644
--- a/main.c
+++ b/main.c
@@ -114,11 +114,12 @@ static void clock_hours(void)
 	}
 }
 
-/* set hour progress on clock LEDs
- * the hour/time time indication are full arcs, not only position
- * whatever arc is smaller is displayed first
- * green is for minutes, blur for hours */
-static void clock_hour(uint32_t time)
+/* show time on LED clock
+ * show hours and minutes progress as full arcs
+ * show second position as marker
+ * the brightness of the LED shows the progress of the unit
+ * hours are blue, minutes green, seconds red */
+static void clock_show_time(uint32_t time)
 {
 	uint32_t led_hour = (WS2812B_LEDS*(255*(uint64_t)(time%ticks_midday)))/ticks_midday; // scale to LED brightnesses for hours
 	uint32_t led_minute = (WS2812B_LEDS*(255*(uint64_t)(time%ticks_hour)))/ticks_hour; // scale to LED brightnesses for minutes
@@ -173,6 +174,10 @@ static void clock_hour(uint32_t time)
 			led_hour -= clock_leds[led*3+2];
 		}
 	}
+	// don't show seconds on full minute (better for first time setting, barely visible else)
+	if (time%ticks_minute==0) {
+		return;
+	}
 	uint16_t led_second = (WS2812B_LEDS*(time%ticks_minute))/ticks_minute; // get LED for seconds
 	uint8_t brightness_second = (255*(time%ticks_second))/ticks_second; // get brightness for seconds
 	// set second LED
@@ -221,6 +226,7 @@ int main(void)
 
 	ws2812b_setup(); // setup WS2812b LEDs
 	clock_hours(); // show hour markers
+	clock_clear(); // clear all LEDs
 	leds_set(); // set the colors of all LEDs
 	ws2812b_transmit(); // transmit set color
 
@@ -228,15 +234,28 @@ int main(void)
 	led_on(); // switch on LED to indicate setup completed
 
 	uint32_t time = 0; // the time to display
-	bool clear = true; // clear or display time
-	
-	while (true) {
-		clock_hour(time); // set an increment time
+	uint32_t current_time = 6*ticks_hour+45*ticks_minute+15*ticks_second+ticks_second/4;
+	printf("setting current time\n");
+	while (time<current_time) {
+		if (time+ticks_hour<=current_time) { // first set hours
+			time += ticks_hour; // increment hours
+		} else if (time+ticks_minute<=current_time) { // second set minutes
+			time += ticks_minute; // increment minutes
+		} else if (time+ticks_minute<=current_time) { // third set seconds
+			time += ticks_second; // increment seconds
+		} else { // finally set time
+			time = current_time;
+		}
+		clock_show_time(time); // set time (progress)
 		leds_set(); // set the colors of all LEDs
 		ws2812b_transmit(); // transmit set color
-		time += 10;
+		// delay some time
+		for (uint32_t i=0; i<400000; i++) {
+			__asm__("nop");
+		}
 	}
 
+	printf("input commands\n");
 	bool action = false; // if an action has been performed don't go to sleep
 	button_flag = false; // reset button flag
 	char c; // to store received character
@@ -260,16 +279,11 @@ int main(void)
 			action = true; // action has been performed
 			printf("%c",c); // echo receive character
 
-			if (clear) {
-				clock_clear(); // clear clock LEDs
-			} else {
-				printf("%02lu:%02lu\n", time/ticks_hour, (time%ticks_hour)/ticks_minute);
-				clock_hour(time); // set time
-				time += 1; // increment time
-			}
+			printf("%02lu:%02lu\n", time/ticks_hour, (time%ticks_hour)/ticks_minute);
+			clock_show_time(time); // set time
+			time += ticks_minute; // increment time
 			leds_set(); // set the colors of all LEDs
 			ws2812b_transmit(); // transmit set color
-			clear = false;
 		}
 		while (button_flag) {
 			button_flag = false; // reset flag