Abstract
Traditionally, the time of prayer was being announced through mosques. Nowadays, there's a special time in cities of Muslim countries, known as prayer times table. Mean while villages lack such division or table, they use the Prayer times of nearby cities. In non-muslim countries, such tables just belong to big cities and other areas have difficulties to find (precise) prayer times. Quantitative computation of Prayer times is dependent on geographical coordinate of that place and space/time position of Sun. Residential areas were determined as polygon and each of them are located in a specific geographical coordinate. It's not possible to use the Prayer time of one point for another point far from that. In this research, the area was divided into pixels of 1000*1000 m and Prayer time was calculated with astronomical relations. The accuracy of this study had been compared to those were presented by calendar center of geophysics institute (University of Tehran) and had perfect accuracy. Prayer time was calculated for each pixel of the studying area by GIS. Results of this research showed the necessity of GIS in determining Prayer times and led to more accuracy of calculations.
Highlights
To Muslims, Prayer is the best act to worshiping Allah
By developing the algorithms of above equations, the Prayer time has been computed for the studying area
The produced data are those of raster in which DN of each pixel represents the Prayer time and in order to prepare the map, simultaneous contours have been extracted through data
Summary
To Muslims, Prayer is the best act to worshiping Allah. If it is accepted by the Almighty, other acts of worshipping will be accepted and if it is not accepted, other acts won’t be accepted. Daily Prayers are considered as an important part of a Muslim’s life. In several parts of holly Qur’an these times are directly or indirectly addressed. Establish Prayer at the setting of the Sun until the dark of the night (Zuhr, Asr, Maghrib and Isha Prayers) and the recital of Qur’an at dawn (Fajr) Prayer. The recital of the Qur’an at dawn is ever witnessed (ALISRA, 17:78) Lo! The recital of the Qur’an at dawn is ever witnessed (ALISRA, 17:78)
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