The Effect of Islamic Fasting in Quran on Spiritual Intelligence and Happiness of Fasting Persons

Background: god quotes and words in quran verses and infallibles hadiths is under consensus of all believers as recognition, knowledge and understanding source, but changing them to applicable concepts for field investigations is the most important point of the present study. objectives: the aim of this study is to compare spiritual intelligence and happiness of fasting and non fasting persons. materials and methods: it was a causative comparative study; gathered data was analyzed using one way variance and scheffe post hoc test. results: spiritual intelligence was higher in fasting group compared to non fasting without any excuse or non fasting with an excuse, also spiritual intelligence was higher in non fasting with an excuse than non fasting without any excuse. moreover happinessin the fasting group after the holy ramadan showed a meaningful difference compared to the first of the month, while happiness of the other two groups showed a meaningful decrease. conclusion: islamic fasting with strengthening patience, forgiveness, transcendental consciousness and spiritual experiences is able to increase spiritual intelligence and happiness in fasting persons.