software_RTC

software_RTC.cpp

unsigned long timeNow = 0;
unsigned long timeLast = 0;
int seconds = 0;
int minutes = 0;
int hours = 0;
int days = 0;

timeNow = millis()/1000;// millis is the function i have mentioned above
seconds = timeNow - timeLast;

if (seconds == 60) 
{
  timeLast = timeNow;
  minutes += 1;
}

if (minutes == 60){ 
  minutes = 0;
  hours += 1;
}

if (hours == 24){
  hours = 0;
  days += 1;
}