unsigned long time1=0;
unsigned long time2=0;
bool switch_Status = false;
//boolean outHigh = false;
//boolean outLow = false;

void setup() {
  // put your setup code here, to run once:
pinMode(3, OUTPUT);
pinMode(10, INPUT);
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
 Serial.print("Switch : ");
 switch_Status = digitalRead(10);
 Serial.println(switch_Status);
if(switch_Status) // switch_Status == HIGH
{
  time1=millis();
}
else
{
  time2=millis();
}

Serial.print("time1 : ");
Serial.print(time1);
Serial.print("    time2 : ");
Serial.print(time2);
Serial.print("   1,2 differance : ");
Serial.print(time2 - time1);
Serial.print("  differance1 : ");
Serial.print(millis() - time1);
Serial.print("  differance2 : ");
Serial.print(millis() - time2);

}