Study on Sky Brightness and Length of Shadow To Determine The Early Time of Dhuha Prayer
Keywords:
Sky brightness, length of shadows, altitude, Dhuha timeAbstract
Time of prayers have been explained very general in the Qur'an and so thoroughly in the Sunnah to facilitate Muslim to perform prayers. The main purpose of this study was to determine the brightness of the sky and length of shadows during the early time of Dhuha. Based on Islamic law, the time of Dhuha begins when the sun is rising about a spear’s length and lasting until the sun transited, but it was encouraged to perform it during the sun is high and hot. On average, the initial time of Dhuha was estimated at 28 minutes after sunrise by The Department of Islamic Development Malaysia. Cermin Beach, Tanjung Tuan, Port Dickson, Negeri Sembilan was chosen as the location because there is a clear eastern horizon and the sun is easily visible with naked eye as it rises. The results of the study found that when the length of shadows was more than 4 times of the stick's and the altitude of the sun exceeding 6°, ensured that is the beginning of Dhuha prayer time. However, the determination of the brightness of the sky can be categorized as instances clear sky and overcast sky based on the physical differences at that time.
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