Color Clock

// Date and time functions using a DS1307 RTC connected via I2C and Wire lib
#include <Wire.h>
#include <SPI.h>  // not used here, but needed to prevent a RTClib compile error
#include <RTClib.h>
#include <Adafruit_NeoPixel.h>

#define PIN 6

Adafruit_NeoPixel stripHour = Adafruit_NeoPixel(24, PIN, NEO_GRB + NEO_KHZ800);
RTC_DS3231 RTC;
long mHour;

void setup () {

    stripHour.begin();
    stripHour.show(); // Initialize all pixels to 'off'

    Serial.begin(57600);
    Wire.begin();
    RTC.begin();

  if (! RTC.isrunning()) {
    Serial.println("RTC is NOT running!");
    // following line sets the RTC to the date & time this sketch was compiled
    RTC.adjust(DateTime(__DATE__, __TIME__));


  }
}

/******************************
           Main Loop
*******************************/
void loop() {

  DateTime now = RTC.now();

  //Prints time
  Serial.print(now.hour(), DEC);
  Serial.print(':');
  Serial.print(now.minute(), DEC);
  Serial.print(':');
  Serial.print(now.second(), DEC);
  Serial.println();

  Serial.println();
  delay(1000);

  mHour = now.hour();// defining hour now
  long mn = now.minute();

  //Controlling the hour
  if (mHour == 0){
    hour_0();
  }
  if(mHour == 1){
    hour_1();
  }
  if(mHour == 2){
    hour_2();
  }
  if(mHour == 3){
    hour_3();
  }
  if(mHour == 4){
    hour_4();
  }
  if(mHour == 5){
    hour_5();
  }
  if(mHour == 6){
    hour_6();
  }
  if(mHour == 7){
    hour_7();
  }
  if(mHour == 8){
    hour_8();
  }
  if(mHour == 9){
    hour_9();
  }
  if(mHour == 10){
    hour_10();
  }
  if(mHour == 11){
    hour_11();
  }
  if(mHour == 12){
     hour_12();
  }
  if(mHour == 13){
    hour_13;
  }
  if(mHour == 14){
    hour_14();
  }
  if(mHour == 15){
    hour_15();
  }
  if(mHour == 16){
    hour_16();
  }
  if(mHour == 17){
    hour_17();
  }
  if(mHour == 18){
    hour_18();
  }
  if(mHour == 19){
    hour_19();
  }
  if(mHour == 20){
    hour_20();
  }
  if(mHour == 21){
     hour_21();
  }
  if(mHour == 22){
     hour_22();
  }
  if (mHour == 23){
      hour_23();
  }
}

/******************************
           Fade
*******************************/
void fade(){
}

/******************************
          Color Wipe
*******************************/
//Fills Neopixil
void colorWipe(uint32_t c, uint8_t wait) {
  for(uint16_t i=0; i<stripHour.numPixels(); i++) {
      stripHour.setPixelColor(i, c);
      stripHour.show();
      delay(wait);
  }
}

/******************************
           Set Color
*******************************/
// functions for the colors of each hour
    void hour_0(){
     colorWipe(stripHour.Color(25, 25, 112), 50); //Darker Blue
    }

    void hour_1(){
      colorWipe(stripHour.Color(136, 206, 250), 50); //Sky Blue
    }

    void hour_2(){
      colorWipe(stripHour.Color(175, 238, 238), 50); //Light Blue
    }

    void hour_3(){
      colorWipe(stripHour.Color(221, 160, 221), 50); //Pink
    }

    void hour_4(){
      colorWipe(stripHour.Color(123, 104, 238), 50); //Purple
    }

    void hour_5(){
      colorWipe(stripHour.Color(75, 0, 130), 50); //Violet
    }

    void hour_6(){
      colorWipe(stripHour.Color(153, 50, 204), 50); //Light Purple
    }

    void hour_7(){
      colorWipe(stripHour.Color(238, 130, 238), 50); //Light Pink
    }

    void hour_8(){
      colorWipe(stripHour.Color(255, 215, 0), 50); //Light Oragne
    }

    void hour_9(){
      colorWipe(stripHour.Color(255, 140, 0), 50); //Orange
    }

    void hour_10(){
      colorWipe(stripHour.Color(160, 80, 0), 50); // Light Red
    }

    void hour_11(){
      colorWipe(stripHour.Color(255, 0, 0), 50); //Red
    }

    void hour_12(){
      colorWipe(stripHour.Color(178, 34, 34), 50); //Dark Red
    }

    void hour_13(){
      colorWipe(stripHour.Color(210, 105, 30), 50); //Red Orange
    }

    void hour_14(){
      colorWipe(stripHour.Color(245, 222, 179), 50); //Light Brown
    }

    void hour_15(){
      colorWipe(stripHour.Color(173, 255, 47), 50); //Bright Green
    }

    void hour_16(){
      colorWipe(stripHour.Color(0, 255, 154), 50); //Bright Yellow Green
    }

    void hour_17(){
      colorWipe(stripHour.Color(154, 205, 50), 50); //Light Green
    }

    void hour_18(){
      colorWipe(stripHour.Color(0, 255, 0), 50); //Green
    }

    void hour_19(){
      colorWipe(stripHour.Color(0, 100, 0), 50); //Dark Green
    }

    void hour_20(){
      colorWipe(stripHour.Color(0, 0, 139), 50); //Navy Blue
    }

    void hour_21(){
      colorWipe(stripHour.Color(119, 136, 153), 50); //Blue Grey
    }

    void hour_22(){
      colorWipe(stripHour.Color(25, 25, 112), 50); //Violet Blue
    }

    void hour_23(){
      colorWipe(stripHour.Color(0, 0, 255), 50); //Blue
    }