void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32-S3!");

  int alarmHour = 7;
  int alarmMinute = 0;
  int fadeTime = 20;
  int alarmMins = alarmHour * 60 + alarmMinute;      // Convert to total minutes since midnight
  int fadeMins = (alarmMins - fadeTime + 1440) % 1440;  // Subtract and wrap using modulo (add 1440 to avoid negative modulo)
                                                     // 1440 is number of minutes in 24 hours

  int fadeStartHour   = fadeMins / 60;
  int fadeStartMinute = fadeMins % 60;     
  Serial.println (fadeStartHour);
  Serial.println (fadeStartMinute); 

}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}