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Studi Komparasi Sejarah dan Aturan Kalender Tahun Masehi: Julian dan Gregorian Farah, Labibah Amil; Saifulloh, M.; Roesuldi, Juhanda
AL - AFAQ : Jurnal Ilmu Falak dan Astronomi Vol. 4 No. 1 (2022): Juni 2022
Publisher : Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/afaq.v4i1.4361

Abstract

The common era calendar was a calendar from the ancient Roman calendar that uses lunar system that Julius Caesar then modified on sosignes' suggestion to use the solar system as the with one year's tropical length to 365.25 days. As science progressed, Pope Gregory XIII made improvements by favoring a reference to the tropic count 365.2425 days, shorter by 0.0075 days than Julian. Gregory added new rules and corrections to Julian's calendar to keep the calendar in line with the annual movement of the sun. It also explains how dates are dated before and after the common era.Keywords: calendar, masehi, julian, gregorian, islamic astronomy
Studi Komparasi Sejarah dan Aturan Kalender Tahun Masehi: Julian dan Gregorian Farah, Labibah Amil; Saifulloh, M.; Roesuldi, Juhanda
AL - AFAQ : Jurnal Ilmu Falak dan Astronomi Vol. 4 No. 1 (2022): Juni 2022
Publisher : Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/afaq.v4i1.4361

Abstract

The common era calendar was a calendar from the ancient Roman calendar that uses lunar system that Julius Caesar then modified on sosignes' suggestion to use the solar system as the with one year's tropical length to 365.25 days. As science progressed, Pope Gregory XIII made improvements by favoring a reference to the tropic count 365.2425 days, shorter by 0.0075 days than Julian. Gregory added new rules and corrections to Julian's calendar to keep the calendar in line with the annual movement of the sun. It also explains how dates are dated before and after the common era.Keywords: calendar, masehi, julian, gregorian, islamic astronomy
Fajar Shadiq Sebagai Penanda Awal Waktu Shalat Shubuh Reza, Akhmad Lucky; Farah, Labibah Amil; Nafi’ah, Muazarotun; Musyarrofa, Musyarrofa; Indayati, Wiwik; Solikin, Agus
Azimuth: Journal of Islamic Astronomy Vol. 4 No. 2 (2023): Juli
Publisher : Program Studi Ilmu Falak UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15642/azimuth.v4i2.2226

Abstract

Abstrak: Artikel ini membahas peran fajar shadiq sebagai penanda awal waktu salat Subuh dalam perspektif syariat dan astronomi. Berdasarkan hadis-hadis Nabi dan penjelasan ulama, fajar dibedakan menjadi dua jenis, yaitu fajar kadzib dan fajar shadiq. Awal waktu salat Subuh ditandai dengan munculnya fajar shadiq, yang berciri cahaya horizontal di ufuk timur, berbeda dengan fajar kadzib yang bercahaya vertikal. Penelitian ini menggunakan metode kualitatif dengan pendekatan studi literatur dan observasi lapangan untuk mengidentifikasi faktor-faktor yang mempengaruhi pengamatan fajar shadiq, seperti polusi cahaya, ketebalan atmosfer, dan kondisi cuaca. Hasil observasi di Masjid Jami’ Manyar Gresik menunjukkan bahwa tingginya tingkat polusi cahaya dan kondisi cuaca mendung menghambat visibilitas fajar shadiq, sehingga mempersulit penentuan awal waktu Subuh berdasarkan pengamatan visual. Artikel ini menegaskan pentingnya memahami karakteristik fajar dan dampak lingkungan terhadap akurasi penentuan waktu ibadah, serta perlunya pendekatan astronomi untuk mendukung ketepatan dalam praktik keagamaan. Studi ini juga memperkaya literatur tentang integrasi antara ilmu falak dan fiqh dalam menentukan waktu-waktu ibadah.Kata Kunci: Fajar Shadiq, Waktu Subuh, Polusi Cahaya, Ilmu Falak, Astronomi Islam.Abstract: This article discusses the role of fajr shadiq as the marker for the beginning of the Subuh prayer time from both Islamic law and astronomical perspectives. Based on the hadiths of the Prophet and scholarly interpretations, dawn is categorized into two types: fajr kadzib and fajr shadiq. The start of Subuh prayer is marked by the appearance of fajr shadiq, characterized by a horizontal light spreading across the eastern horizon, in contrast to the vertical light of fajr kadzib. This qualitative study employs literature review and field observation to identify factors influencing the visibility of fajr shadiq, such as light pollution, atmospheric thickness, and weather conditions. Observations conducted at Masjid Jami’ Manyar Gresik revealed that high levels of light pollution and cloudy weather significantly hindered the visibility of fajr shadiq, complicating the visual determination of Subuh prayer time. The article highlights the importance of understanding the characteristics of dawn and the environmental impacts on the accuracy of religious practices, emphasizing the need for astronomical approaches to support precise worship timings. This study also contributes to the broader literature on the integration of astronomy and Islamic jurisprudence in determining prayer times.Keywords: Fajr Shadiq, Subuh Time, Light Pollution, Islamic Astronomy, Falak Science.
WAKTU SHALAT ASHAR, MAGHRIB DAN ISYA’ PERSPEKTIF HADIS Farah, Labibah Amil
ELFALAKY: Jurnal Ilmu Falak Vol 4 No 1 (2020): Juni
Publisher : UIN ALAUDDIN MAKASSAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/ifk.v4i1.14167

Abstract

                                                             AbstrackPrayer is the most important worship in Islam. Prayer is worship predetermined time and how. The jurists decide the time of prayer based on the rotation of the earth or natural phenomena. The determination of the time of prayer that occured on al-Qur’an and Sunnah needs to be explained using celestial cues and the thought of thinkers. But there are differences of opinions from the thinker in interpretation of Sunnah about the time of prayer. For example,there is a difference opinion between Syafi’i and Hanafi about the end of prayer time for Ashar.