#include <Wire.h>
#include "RTClib.h"

RTC_DS1307 rtc;
//--------------------------------------------------
void setup () {
  Serial.begin(57600);
  Wire.begin();
  rtc.begin();
  if (! rtc.isrunning())
  {
    Serial.println("RTC is NOT running!");
    rtc.adjust(DateTime(2015,6,8,19,11,55));
  }
}
//--------------------------------------------------
void loop ()
{
    DateTime now = rtc.now();

    Serial.print(now.year(), DEC);
    Serial.print('/');
    Serial.print(now.month(), DEC);
    Serial.print('/');
    Serial.print(now.day(), DEC);
    Serial.print(' ');
    Serial.print(now.hour(), DEC);
    Serial.print(':');
    Serial.print(now.minute(), DEC);
    Serial.print(':');
    Serial.print(now.second(), DEC);
    Serial.println();

    Serial.print(" since midnight 1/1/1970 = ");
    Serial.print(now.unixtime());
    Serial.print("s = ");
    Serial.print(now.unixtime() / 86400L);
    Serial.println("d");
    delay(3000);
}