Distinctive nations and social orders take after their own Calendar taking into account their religion and society. Hebrew Calendar is trailed by Jewish society, Christens take after Gregorian timetable and Muslims follow Islamic date-book which is based on lunar timetable and known as Hijri Calendar. There are 12 months in Hijri Calendar. Of these 12 months, there are months which are more sacred to Muslims and The Muslims of Pakistan and all over the world change their attitude towards normal living