Flickering LEDs

Hi guys
im new to the Arduino World. I seem to be having a problem with my LED'S flickering after the cycle complete..

Please fined the code...

#include <OneWire.h>
#include <LCDI2C.h>
#include <WProgram.h>
#include <Wire.h>
#include <DS1307RTC.h>
#include <LiquidCrystal.h>
#include <Time.h>
#include <TimeAlarms.h>
#include

//************************************ void setup ************************************

void setup()
{
Serial.begin(9600);
setSyncProvider(RTC.get); // the function to get the time from the RTC
}
//************************************ void loop ************************************

void loop(){

//****************Day Lights *******************************************************************************

if(hour()>=8) analogWrite(11, 26);
if(hour()>=9) analogWrite(11, 52);
if(hour()>=10) analogWrite(11, 78);
if(hour()>=11) analogWrite(11, 104);
if(hour()>=12) analogWrite(11, 130);
if(hour()>=14) analogWrite(11, 104);
if(hour()>=15) analogWrite(11, 78);
if(hour()>=16) analogWrite(11, 52);
if(hour()>=17) analogWrite(11, 26);
if(hour()>=18) analogWrite(11, 0);

//****************Moon Lights *******************************************************************************

if(hour()>=7) analogWrite(3, 127);
if(hour()>=19) analogWrite(3, 65);
if(hour()>=20) analogWrite(3, 0);

//Display Time******************************************************************************************

// digital clock display of the time
Serial.print(hour());
printDigits(minute());
printDigits(second());
Serial.println();
}

void printDigits(int digits)
{
Serial.print(":");
if(digits < 10)
Serial.print('0');
Serial.print(digits);

}

http://forum.arduino.cc/index.php/topic,148850.0.html

// Per.