#include <RTClib.h>
RTC_DS1307 rtc;
char dayOfTheWeek[7][12]={"Sunday","Monday","Tuesday",
"Wednesday","Thursday","Friday","Saturday"};
void setup(){
  Serial.begin(115200);
  if(! rtc.begin()){
    Serial.println("couldn't find rtc");
    Serial.flush();
    abort();
  }
}
void loop(){
  DateTime now=rtc.now();
  Serial.print("current time:  ");
  Serial.print(now.year(),DEC);
  Serial.print('/');
  Serial.print(now.month(),DEC);
  Serial.print('/');
  Serial.print(now.day(),DEC);
  Serial.print(" (");
  Serial.print(dayOfTheWeek[now.dayOfTheWeek()]);
  Serial.print(") ");
  Serial.print(now.hour(),DEC);
  Serial.print(':');
  Serial.print(now.minute(),DEC);
  Serial.print(':');
  Serial.print(now.second(),DEC);
  delay(3000);
}