i see many text like this and get confused
SecondHoursBlock=true; // Second hours block
string SecondStartHour="12:00"; // Second start hour (from)
string SecondEndHour="20:00"; // Second end hour (to)
bool ThirdHoursBlock=false; // Third hours block
string ThirdStartHour="12:00"; // Third start hour (from)
string ThirdEndHour="18:00"; // Third end hour (to)
bool FourthHoursBlock=false; // Fourth hours block
string FourthStartHour="18:00"; // Fourth start hour (from)
string FourthEndHour="0