diff --git a/src/effect_big_clock.cpp b/src/effect_big_clock.cpp
index aa1c7d0..1748f41 100644
--- a/src/effect_big_clock.cpp
+++ b/src/effect_big_clock.cpp
@@ -8,17 +8,17 @@ void BigClockEffect::loop() {
     uint8_t h = ntpClient.getHours();
     window->drawChar(&font_numbers3x5_blocky, 6<<8, 2<<8, '0' + (h / 10), &_color_font);
     window->drawChar(&font_numbers3x5_blocky, 11<<8, 2<<8, '0' + (h % 10), &_color_font);
-    
+
     uint8_t m = ntpClient.getMinutes();
     window->drawChar(&font_numbers3x5_blocky, 6<<8, 9<<8, '0' + (m / 10), &_color_font);
     window->drawChar(&font_numbers3x5_blocky, 11<<8, 9<<8, '0' + (m % 10), &_color_font);
-    
+
     uint8_t s = ntpClient.getSeconds();
     if (s & 1) {
     	window->setPixel(3, 10, &_color_font);
     	window->setPixel(3, 12, &_color_font);
     }
-    
+
     _draw_seconds();
 }
 
@@ -29,8 +29,10 @@ void BigClockEffect::_draw_seconds() {
 	}
 	uint16_t millis = ntpClient.getEpochMillis() % 1000;
 	if (millis > 0) {
-		uint16_t position = ((60 - (60 - seconds) * millis) << 8) / 1000;
+		//uint16_t position = ((60 - (60 - seconds) * millis) << 8) / 1000;
 		//uint8_t position = 60 - ((60 - seconds) * millis / 1000);
+        //percent = seconds00 - (59-seconds)ff
+        uint16_t position = ((seconds<<8) + (((60 - seconds)<<8) * millis / 1000));
 		_draw_border_pixel(position>>8, position&0xFF, &_color_seconds);
 	}
 }
@@ -42,9 +44,9 @@ void BigClockEffect::_draw_border_pixel(uint8_t i, uint8_t part, CRGB* color) {
 		y = 0;
 	} else if (i<=23) {
 		x = 15 << 8;
-		y = (i - 8) << 8 | (255 - part);
+		y = (i - 10) << 8 | (255 - part);
 	} else if (i<= 38) {
-		x = (15 - i + 23) << 8 | (255 - part);
+		x = (15 - 1 - i + 23) << 8 | (255 - part);
 		y = 15 << 8;
 	} else if (i <= 53) {
 		x = 0;