Clock won't display

Here's the second part:

/* ******************************************************************************************************************** */
/* *                                                                                                                  * */
/* *                                 S E T U P                                                                        * */
/* *                                                                                                                  * */
/* ******************************************************************************************************************** */

void setup() {
 pinMode(backLight, OUTPUT);
  digitalWrite(backLight, HIGH);
 pinMode(ledPin, OUTPUT);   // Set our LED as an output pin
  //pinMode(ledPin1, OUTPUT);     // set the digital pin as output:
 // pinMode(ledPin2, OUTPUT);
  pinMode (heater, OUTPUT); 
  pinMode(moon, OUTPUT);  // Set analog pin 1 as a output 
   sensors.begin();
      
  
/* ******************************************************************************************************************** */
/* *                                                                                                                  * */
/* *                                 S E T U P - D I S P L A Y                                                        * */
/* *                                                                                                                  * */
/* ******************************************************************************************************************** */

  byte second, minute, hour, dayOfWeek, dayOfMonth, month, year;
  Wire.begin();
  second = 10;
  minute = 59;
  hour = 11;
  dayOfWeek = 6;  		              // Sunday is 0
  dayOfMonth = 26;
  month = 2;
  year = 11;

//Use the next line for setting the clock 
  setDateDs1307(second, minute, hour, dayOfWeek, dayOfMonth, month, year); 

  lcd.begin(20, 4); // set up the LCD's number of rows and columns: 
  lcd.setCursor(0, 3); 
  lcd.print("Moon:");  
  lcd.setCursor(0, 1); 
  lcd.print("Lights:");
  lcd.setCursor(0, 2);
  lcd.print("Heater:"); 

 digitalWrite(ledPin, LOW); // Set the LED to LOW (off)
  Wire.begin();              // Start our wire and real time clock
  RTC.begin();	
  if (! RTC.isrunning()) {                       // Make sure RTC is running	
   // Serial.println("RTC is NOT running!");
   // RTC.adjust(DateTime(03__DATE_21_, _5_TIME47__));  // Uncomment to set the date and time	 	
 }
 	 	
 }	
 void loop () { 
  
  sensors.requestTemperatures(); // Send the command to get temperatures 
  lcd.setCursor(12, 0); 
  lcd.print(sensors.getTempFByIndex(0));  
  lcd.print((char)223); 
  if (sensors.getTempFByIndex(0) < heater_on_temp)  HeaterOn();  
  if (sensors.getTempFByIndex(0) > heater_off_temp)  HeaterOff(); 
  lcd.setCursor(14, 2); 
  delay(1000); 
   
  DateTime now = RTC.now(); // Read in what our current datestamp is from RTC
  if (now.second() == 0) { // Only process if we have ticked over to new minute
    if (poweredOn == 0) {  // Check if lights currently powered on
      checkStartTime();    // If they are not, check if it's time to turn them on
    } 
    else {
      checkEndTime();      // Otherwise, check if it's time to turn them off 
    }
    if (validStart == 1) { // If our timer is flagged to start, turn the lights on
      turnLightsOn();
      lcd.setCursor(9, 1);
      lcd.print("ON ");
      MoonOff();
    }
    if (validEnd == 1) {   // If our time is flagged to end, turn the lights off
      turnLightsOff();
      lcd.setCursor(9, 1);
      lcd.print("OFF ");
      MoonOn();	
    }	 	
  }
 delay(1000);  	 	
 }
 byte checkStartTime() {
  DateTime now = RTC.now();  // Read in what our current datestamp is from RTC
  if (now.hour() == startHour && now.minute() == startMinute) {
    validStart = 1;  // If our start hour and minute match the current time, set 'on' flags
    poweredOn = 1;	
  } 
  else {
    validStart = 0;  // Otherwise we don't need to power up the lights yet	 	
  }
  return validStart; // Return the status for powering up	 	
 } 
 byte checkEndTime() {
  DateTime now = RTC.now();  // Read in what our current datestamp is from RTC
  if (now.hour() == endHour && now.minute() == endMinute) {
    validEnd = 1;    // If our end hour and minute match the current time, set the 'off' flags
    poweredOn = 0;	
  } 
  else {
    validEnd = 0;    // Otherwise we don't need to power off the lights yet	 	
  }
  return validEnd;   // Return the status for powering off	 	
 } 
 void turnLightsOn() {
  digitalWrite(ledPin, HIGH);  // Turn on the LED	 	
 }
 void turnLightsOff()
 {
  digitalWrite(ledPin, LOW);   // Turn off the LED
   { 
        //  onesecond(); // updates clock once per second 
         // countdown--;
      }
      
  
      	
 }