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All Journal Al-Hilal: Journal of Islamic Astronomy
M. Ihtirozun Ni'am
Walisongo State Islamic University of Semarang
Religion Astronomy Earth & Planetary Sciences Physics Social Sciences

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AYYĀM AL-BĪḌ SYAR'I AND ASTRONOMY PERSPECTIVE (BETWEEN FASTING MOMENTUM AND SCIENTIFIC CALCULATION) luayyin luayyin; M. Ihtirozun Ni'am
Al-Hilal: Journal of Islamic Astronomy Vol 2, No 2 (2020)
Publisher : Fakultas Syari'ah dan Hukum UIN Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (687.563 KB) | DOI: 10.21580/al-hilal.2020.2.2.6743

Abstract

Ayyām al-Bīdis a group of days in the hijri calendar system. Ayy termām al-Bīdobtained from the hadith of the Prophet which contains the command to fast for three days in each hijri month, which is sunnah. Ayy understandingām al-Bīdfrom the hadith of the Prophet is the date / day of the 13th, 14th, and 15th of the Hijri month. However, at a practical level, scholars differed when they mentioned the implementation of Ayy's fastām al-Bīd. There are 9 versions of this opinion. Here the writer wants to examine more deeply ayyām al-BīdThis is seen from a shar'i and astronomical perspective. The writer studies it with the research library method using the scientific-cum-doctriner approach. The data collected came from the books of hadith and fiqh, then analyzed with an astronomical approach. From this research, it was found that the meaning of the term Ayyām al-BīdIn the view of syar'i, it is the best time to observe the sunnah fast for three days every month. Matan hadith of the Prophet SAW regarding Ayyām al-Bīd which stipulates on the 13th, 14th and 15th of the Hijri month because that is the time when the full moon and lunar eclipses occur. From the review of astronomy Ayyām al-Bīdis the time when at night the Moon shines brighter than the other nights. Astronomically this can occur 4-5 days in the middle of the Hijri month. 
ANALEMMA AND THE BEGINNING OF MAGHRIB PRAYER ALTERATION (Correlation Of Analemma’s Position Towards The Beginning Of Maghrib Prayer According To Ephemeris Calculation) M. Ihtirozun Ni'am; khabib suraya
Al-Hilal: Journal of Islamic Astronomy Vol 3, No 1 (2021)
Publisher : Fakultas Syari'ah dan Hukum UIN Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (700.85 KB) | DOI: 10.21580/al-hilal.2021.3.1.7649

Abstract

Analemmaa is a change of sun’s position which is inconstant when it is observed in certain time and place during a year period. If the change is served as a diagram, it will shape like ‘eight’ number. The beginning of maghrib prayer during a year period is dyanmic at certain time, and it will change due to alteration of sunset.  Therefore, this research aimed to understand the correlation between analemma and the alteration of maghrib prayer schedule. The research uses field research method, which collecting the average of observation data of Sun’s position at the certain time and place during a year period by employing qualitative method. The research found that the alteration of the beginning of maghrib prayer is caused by the analemma’s phenomenon. When the gap between the result of analema’s time observed with maghrib schedule is increased, so the beginning of maghrib prayer is delayed. Yet, when the gap between the result of analema’s time observed with maghrib schedule is decreased, so the beginning of maghrib prayer is sooner.
Co-Authors khabib suraya luayyin luayyin