Papers about Crescents, Prayer Times,
Qiblah, Hijric Calendar, ...etc.
Arabic Papers
- Author: Abdulkader M. Abed.
- Name in English: Determining the beginning of the true dawn (Al-Fajr Al-Sadek) observationally by the naked eye in Jordan.observationally in Jordan.
- Name in Arabic: تحديد موعد حلول الفجر الصادق في الأردن بالرصد الفلكي المباشر بالعين المجردة
- Year of Publication: 2015.
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- Author: Abdullah Almisnid
- Name in English: The Problem of Isha and Fajer Prayer Time Calculations in High Latitude Areas, and Prayer Times for Muslim Astronauts.
- Name in Arabic: مشكلة تحديد وقتي العشاء والفجر في المناطق الجغرافية المتطرفة مكانيّاً ومواقيت الصلاة لرواد الفضاء المسلمين
- Year of Publication: 2010.
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- Author: Abdullah Almisnid and Abdullah Skaker.
- Name in English: Determining the Beginning of Fajer Prayer Time in Qassim Area Practically.
- Name in Arabic: تحديد وقت دخول صلاة الفجر عملياً بمنطقة القصيم.
- Year of Publication: 2012.
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- Author: Abdel-Ameer Al-Moa'men.
- Name in English: Crescent Sighting During The Prophet Time Viruses Modern Time.
- Name in Arabic: إثبات الهلال بين عصر الرسول(ص) والعصر الحديث
- Year of Publication: 2001.
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- Author: Abo Dawod Sulaiman Odeh.
- Name in English: Eid and Ddoha Times.
- Name in Arabic: الهدى لبيان وقت العيد والضحى
- Year of Publication: 2018.
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- Author: Ahmad Ridwan.
- Name in English: Comparison of Hijrah And Gregorian Calendars
- Name in Arabic: مقارنة بين التقويم الميلادي و الهجري
- Year of Publication: 2003.
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- Author: Hasan Basurah.
- Name in English: Sighting the Crescent by Observatories, and the Opinion if It Was Seen by Naked Eye but Not by Observatories.
- Name in Arabic: ترائي الهلال بواسطة المراصد والقول إذا لم ير بها ورئي بالعين
- Year of Publication: 2008.
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- Author: Hasan Basurah.
- Name in English: Mecca Centralization and the Universal Timing.
- Name in Arabic: مركزية مكة المكرمة والتوقيت العالمي
- Year of Publication: 2012.
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- Author: Hasan Bilani.
- Name in English: Evaluate The Percentage of Error in Determining Dates of Holly Feast in Syria.
- Name in Arabic: دراسة فلكية إحصائية لتحديد نسب الخطأ في بدايات الأشهر الهجرية في سورية
- Year of Publication: 2001.
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- Author: Hasan Bilani.
- Name in English: A Geodetic Study For Determining of Qibla Direction.
- Name in Arabic: دراسة جيوديزية لتحديد اتجاه القبلة
- Year of Publication: 2003.
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- Author: Hasan Hamad, Mansoor Ashkefah and Mohammad Al-Hashani.
- Name in English: Determination The Begining of The Lunar Months.
- Name in Arabic: ايجاد بدايات الشهور القمرية
- Year of Publication: 2003.
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- Author: Sharaf Al-Qodah.
- Name in English: Lunar Month Determination Between Hadith and Modern Science.
- Name in Arabic: ثبوت الشهر القمري بين الحديث النبوي والعلم الحديث
- Year of Publication: 1999.
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- Author: Jalal Edeen Khanji.
- Name in English: Detairmening Qibla Direction in Fiqeh, Astronomy And Engineering.
- Name in Arabic: القبلة وتحديدها بين الفقه والفلك والهندسة
- Year of Publication: 2003.
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- Author: Jalal Edeen Khanji.
- Name in English: Asr Prayer Time: A Critique of the Current Approach and A Suggestion of an Alternative Method.
- Name in Arabic: أول وقت صلاة العصر - نقد معيار طريقة الحساب الفلكية المعاصرة و عرض معيار بديـل صحيح
- Year of Publication: 2006.
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- Author: Jalal Edeen Khanji.
- Name in English: Prayer Times at High Latitudes.
- Name in Arabic: مواقيت العبادات في خطوط العرض الكبيرة مقاربة فلكية شرعية جديدة
- Year of Publication: 2010.
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- Author: Mohammad Al-Marakishi.
- Name in English: The Truth Opinion Clarification for Solar Depression Angle for Fajer and Isha
- Name in Arabic: إيضاح القول الحق في مقدار انحطاط الشمس وقت طلوع الفجر وغروب الشفق
- Year of Publication: 1975.
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- Author: Mohammad Khan.
- Name in English: Crescent Sighting Using Uml Al Qura Calendar in Saudi Arabia to Determine Ramadan And Eid Ul Fitir of 1422 AH And Its Implications for Unity in Different Countries.
- Name in Arabic: رؤية الهلال باستخدام تقويم أم القرى لتحديد رمضان و عيد الفطر لعام 1422 هـ و تأثيره على الوحدة بين بلاد المسلمين
- Year of Publication: 2001.
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- Author: Mohamed Nabeel Tarabishy.
- Name in English: Salat / Fasting Time in Northern Regions.
- Name in Arabic: الصلاة والصيام في مناطق خطوط العرض العليا
- Year of Publication: 2014.
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- Author: Mohammad Odeh.
- Name in English: Evaluation of The Error Percentage in Determining The Beginning of Lunar Months in Jordan (During The Past Half-Century).
- Name in Arabic: تقويم نسب الخطأ في تحديد أوائل الأشهر الهجرية في الأردن خلال النصف قرن الماضي
- Year of Publication: 1999.
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- Author: Mohammad Odeh.
- Name in English: Hejric-Gregorian Date Conversion.
- Name in Arabic: التحويل ما بين التقويمين الهجري و الميلادي
- Year of Publication: 2001.
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- Author: Mohammad Odeh.
- Name in English: Universal Hejric Calendar (UHC).
- Name in Arabic: التقويم الهجري العالمي
- Year of Publication: 2001.
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- Author: Mohammad Odeh.
- Name in English: Lunar Crescent Sighting Versus Astronomical Calculations.
- Name in Arabic: الهلال بين الحسابات الفلكية والرؤية
- Year of Publication: 2004.
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- Author: Mohammad Odeh.
- Name in English: The Difference Between The Crescent And The New Moon.
- Name in Arabic: الفرق بين الهلال و تولد الهلال
- Year of Publication: 2004.
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- Author: Mohammad Odeh.
- Name in English: Geocentric Moon Phases Viruses Topocentric Moon Phases (Conjunction Times for Mecca ).
- Name in Arabic:الفرق بين أطوار القمر المركزية و السطحية (مواعيد الاقتران بالنسبة لمدينة مكة المكرمة )ا
- Year of Publication: 2004.
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- Author: Mohammad Odeh.
- Name in English: IT Applications to Construct Universal Hejric Calendar
- Name in Arabic:تطبيقات تكنولوجيا المعلومات لإعداد تقويم هجري عالمي
- Year of Publication: 2007.
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- Author: Mohammad Odeh.
- Name in English: Estimating Fajer and Isha Times When They Disappear in The Area Between Latitude 48.6 and 66.6
- Name in Arabic:تقدير موعدي صلاة الفجر والعشاء عند اختفاء العلامات الفلكية في المنطقة ما بين خطي عرض 48.6° و66.6°
- Year of Publication: 2009.
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- Author: Mohammad Odeh.
- Name in English: Astronomical and Juristic Problems Regarding Prayer Times.
- Name in Arabic: إشكاليات فلكية وفقهية حول تحديد مواقيت الصلاة
- Year of Publication: 2010.
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- Author: Mohammad Odeh.
- Name in English: Differences of Matla’: Areas Having the Same Matla’.
- Name in Arabic: اختلاف المطالع: المناطق المشتركة بمطلع واحد
- Year of Publication: 2010.
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- Author: Mohammad Odeh.
- Name in English: How to Ensure the Accuracy of Salat Times in the Calendars.
- Name in Arabic: كيفية التحقق من صحة مواقيت الصلاة في التقاويم
- Year of Publication: 2012.
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- Author: Nidhal Guessoum and Karim Meziane.
- Name in English: New Astronomical Method to Calculate Prayer and Fasting Times Whenever the Solar Sign Disappears: From Latitude 48.5 to the Pole.
- Name in Arabic: طريقة فلكية جديدة لحساب مواقيت الصلاة والصيام حيثما اختفت العلامة (الشمسية): من خط عرض 48.5 درجة الى القطب
- Year of Publication: 2010.
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- Author: Omar Abur-Robb.
- Name in English: The Crescent: Visibility versus Calculations.
- Name in Arabic: الهلال بين الرؤية والحساب
- Year of Publication: 2017.
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- Author: Saleh Belfakih.
- Name in English: The Beginning of Asr Prayer Time, from Approximate to Definite.
- Name in Arabic: دخول وقت صلاة العصر من التقريب إلى التحقيق
- Year of Publication: 2007.
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- Author: Saleh Al-Saab.
- Name in English: Crescent Sighting in Islamic Heritage.
- Name in Arabic: رؤية الهلال في التاريخ الإسلامي
- Year of Publication: 2016
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- Author: Salman Shaikh.
- Name in English: Which Hilaal to Follow ? Reasons for Islamic Dates Confusion And Their Solution.
- Name in Arabic: أي هلال نتبع ؟ أسباب الاختلاف في التواريخ و الحلول
- Year of Publication: 2001.
- Download Part One. | Download Part Two.
- Author: Sofian Bin Masood Sinyan.
- Name in English: Determining the Values of Rumhain and Rumh.
- Name in Arabic: بذل النصح في بيان قيد الرمحين والرمح
- Year of Publication: 2015.
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- Author: Sofian Bin Masood Sinyan
- Name in English: Determination the Legal Noontime and the First Time of Noon Prayer.
- Name in Arabic: تحديد الزوال الشرعي وأول وقت الظهر
- Year of Publication: 2017.
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- Author: Taqi Al-Deen Al-Subki.
- Name in English: The Evidences in Crescent Fixings
- Name in Arabic: الأدلة في إثبات الأهلة
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- Author: Hamid AL-Naimiy.
- Name in English: Isra and Mi'raj: The Miracle of Miracles (Readings from History,Physics and Astronomy).
- Name in Arabic: الإسراء والمعراج: معجزات في معجزة (قراءة تاريخية وفيزيائية وفلكية كونية)
- Year of Publication: 2013.
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- Author: Marek Polasik.
- Name in English: Star names of Arabic etymology in the northern sky.
- Name in Arabic: السماء العربية لنجوم السماء الشمالية
- Year of Publication: 2013.
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- Author: Mohammad Odeh
- Name in English: The Effect of Precision on Zodiac, Moon Houses and Anwa'
- Name in Arabic: تأثير حركة الترنح على البروج ومنازل القمر والأنواء والتحقيق العلمي لما ذكره العرب في مواعيدها
- Year of Publication: 2013.
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English Papers
- Author: Abdul Haq Sultan.
- Name in English: Hejri Calendar & Lunar First Visibility: Physical Approach.
- Name in Arabic: التقويم الهجري و رؤية الهلال: طريقة فيزيائية
- Year of Publication: 2003.
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- Author: Abdul Haq Sultan.
- Name in English: Sun Apparent Motion and Salat Times.
- Name in Arabic: حركة الشمس الظاهرية و مواقيت الصلاة
- Year of Publication: 2004.
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- Author: Abdul Haq Sultan.
- Name in English: Explaining and Calculating The Length of The New Crescent Moon.
- Name in Arabic: شرح و حساب طول الهلال القمري
- Year of Publication: 2005.
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- Author: Abdul Haq Sultan.
- Name in English: "Best Time" for The First Visibility of The Lunar Crescent
- Name in Arabic: أفضل وقت لأول رؤية للهلال القمري
- Year of Publication: 2006.
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- Author: Abdul Haq Sultan.
- Name in English: First Visibility of The Lunar Crescent: Beyond Danjon’s Limit
- Name in Arabic: بداية رؤية الهلال قبل حد دانجون
- Year of Publication: 2007.
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- Author: Abdurrahman Ozlem.
- Name in English: A Simplified Crescent Visibility Criterion.
- Name in Arabic: معيار مبسط لرؤية الهلال
- Year of Publication: 2014.
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- Author: Abdurrahman Ozlem.
- Name in English: Impact of Atmospheric Refraction on Asr Time.
- Name in Arabic: أثر الانكسار في الغلاف الجوي على وقت صلاة العصر
- Year of Publication: 2016.
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- Author: Abdurrazak Ebrahim.
- Name in English: Crescent Observation And The Visibility of The Hilaal.
- Name in Arabic: رصد الهلال و رؤيته
- Year of Publication: 2003.
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- Author: Akbar Ali Saifee.
- Name in English: How accurate are the computed timings for sunrise and sunset?
- Name in Arabic: مدى دقة حساب موعد الشروق والغروب.
- Year of Publication: 2016.
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- Author: Baharrudin Zainal.
- Name in English: A Selective Literature Review of Young Moon Crescent Visibility Studies.
- Name in Arabic: مطالعة انتقائية لدراسات رؤية الهلال
- Year of Publication: 2001.
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- Author: Bernard Yallop and C.Y. Hohenkerk.
- Name in English: A note on sunrise, sunset and twilight times and on the illumination conditions during twilight.
- Name in Arabic: ملاحظة على مواعيد شروق وغروب الشمس والشفق وأوضاع الإضاءة أثناء الشفق
- Year of Publication: 1996.
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- Author: Bernard Yallop.
- Name in English: A Method for Predicting the First Sighting of The New Crescent Moon.
- Name in Arabic: طريقة للتنبؤ برؤية الهلال الجديد
- Year of Publication: 1997.
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- Author: Bradley Schaefer.
- Name in English: Visibility of The Lunar Crescent.
- Name in Arabic: رؤية هلال القمر
- Year of Publication: 1988.
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- Author: Bradley Schaefer.
- Name in English: Length of The Lunar Crescent.
- Name in Arabic: طول هلال القمر
- Year of Publication: 1991.
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- Author: Bradley Schaefer.
- Name in English: The Length of The Lunar Month.
- Name in Arabic: طول الشهر القمري
- Year of Publication: 1992.
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- Author: Bradley Schaefer, Imad Ahmad and LeRoy Doggett.
- Name in English: Records for Young Moon Sightings.
- Name in Arabic: سجلات رؤية الهلال الجديد
- Year of Publication: 1993.
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- Author: Bradley Schaefer and LeRoy Doggett.
- Name in English: Visibility of The Lunar Crescent.
- Name in Arabic: رؤية هلال القمر
- Year of Publication: 1994.
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- Author: Bradley Schaefer.
- Name in English: Lunar Crescent Visibility.
- Name in Arabic: رؤية هلال القمر
- Year of Publication: 1996.
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- Author: David McNaughton.
- Name in English: A Universal Islamic Calendar.
- Name in Arabic: تقويم إسلامي عالمي
- Year of Publication: 1997.
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- Author: Francois Querci.
- Name in English: An Aircraft Equipment for New Lunar Crescent Observations.
- Name in Arabic: استخدام الطائرة لرصد الهلال
- Year of Publication: 2001.
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- Author: John Caldwell.
- Name in English: Moonset Lag with Arc of Light Predicts Crescent Visibility.
- Name in Arabic: مكث الهلال والاستطالة للتنبؤ برؤية الهلال
- Year of Publication: 2012.
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- Author: John Caldwell and David Laney.
- Name in English: First Visibility of The Lunar Crescent.
- Name in Arabic: الرؤية الأولى لهلال القمر
- Year of Publication: 2001.
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- Author: Louay Fatoohi, F. Richard Stephenson and Sheta Al-Dargazelli.
- Name in English: The Danjon Limit of First Visibility of The Lunar Crescent
- Name in Arabic: حد داجون لرؤية الهلال
- Year of Publication: 1998.
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- Author: Mohamoud A. Mohamoud.
- Name in English: Tracing the Shadow: Mathematical Calculation of Prayer Times Using Spherical Trigonometry.
- Name in Arabic: متابعة الظل: حساب رياضي لمواقيت الصلاة باستخدام المثلثات الكروية
- Year of Publication: 2017.
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- Author: Mohamed Nabeel Tarabishy.
- Name in English: Evaluation of Kalid Shawkat's Method For Salat Time.
- Name in Arabic: تقييم طريقة خالد شوكت لحساب مواقيت الصلاة
- Year of Publication: 2015.
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- Author: Mohamed Nabeel Tarabishy.
- Name in English: Salat / Fasting Time in Northern Regions.
- Name in Arabic: الصلاة والصيام في مناطق خطوط العرض العليا
- Year of Publication: 2014.
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- Author: Mohamed Nabeel Tarabishy.
- Name in English: Orientation Specification For Mosques.
- Name in Arabic: معيار الاتجاه في المساجد
- Year of Publication: 2014.
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- Author: Mohamed Nabeel Tarabishy.
- Name in English: Jurisprudence of Qibla.
- Name in Arabic: فقه القبلة
- Year of Publication: 2014.
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- Author: Mohammad Ilyas.
- Name in English: Lunar Crescent Visibility Criterion and Islamic Calendar.
- Name in Arabic: معيار رؤية الهلال القمري و التقويم الإسلامي
- Year of Publication: 1994.
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- Author: Mohammad Khan.
- Name in English: Crescent Sighting Using Uml Al Qura Calendar in Saudi Arabia to Determine Ramadan And Eid Ul Fitir of 1422 AH And Its Implications for Unity in Different Countries.
- Name in Arabic: رؤية الهلال باستخدام تقويم أم القرى لتحديد رمضان و عيد الفطر لعام 1422 هـ و تأثيره على الوحدة بين بلاد المسلمين
- Year of Publication: 2001.
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- Author: Mohammad Odeh.
- Name in English: New Criterion For Lunar Crescent Visibility.
- Name in Arabic: معيار جديد لرؤية هلال القمر
- Year of Publication: 2006.
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- Author: Muhammad Hafiz and Aamer Akmal.
- Name in English: Justification for Using The Universal Hejric Calendar (UHC) for The Determination of Correct Islamic Dates And Reduction of Takalluf (Burden) from A Shariah perspective.
- Name in Arabic: مبرر اعتماد التقويم الهجري العالمي لتحديد بدايات التواريخ الإسلامية و تقليل التكلف من وجهة نظر شرعية
- Year of Publication: 2001.
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- Author: Muhammad Shahid Qureshi
- Name in English:Computational Astronomy and the Earliest Visibility of Lunar Crescent.
- Name in Arabic: الفلك الحاسوبي والرؤية المبكرة للهلال القمري
- Year of Publication: 2005.
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- Author: Nidhal Guessoum and Karim Meziane
- Name in English: Visibility of the Thin Lunar Crescent: The Sociology of an Astronomical Problem (A Case Study).
- Name in Arabic: رؤية الهلال القمري النحيل
- Year of Publication: 2000.
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- Author: Omar Abur-Robb.
- Name in English: The first sight of the Crescent on earth according to Yallop, SAAO and Odeh Criteria, and the introduction of the Hijri Date Line as the Sunset Terminator Line of the opposite point of Mecca from its latitude.
- Name in Arabic: أول رؤية للهلال بناء على معايير يالوب ومرصد جنوب أفريقيا وعودة
- Year of Publication: 2017.
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- Author: Qamar Uddin.
- Name in English: The Use of Technology to Live Webcast the Crescent Moon Observations.
- Name in Arabic: استخدام التكنولوجيا لغرض البث المباشر لرصد الهلال على شبكة الإنترنت
- Year of Publication: 2010.
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- Author: S. Kamal Abdali.
- Name in English: On The Crescent’s Visibility.
- Name in Arabic: حول رؤية الهلال
- Year of Publication: 1979.
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- Author: S. Kamal Abdali.
- Name in English: On The Crescent’s Visibility.
- Name in Arabic: حول رؤية الهلال
- Year of Publication: 1979.
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- Author: Saleh Al-Shidhani.
- Name in English: Laser Assisted Crescent Observations.
- Name in Arabic: رصد الهلال بمساعدة الليزر
- Year of Publication: 2003.
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- Author: Salman Shaikh.
- Name in English: Which Hilaal to Follow ? Reasons for Islamic Dates Confusion And Their Solution.
- Name in Arabic: أي هلال نتبع ؟ أسباب الاختلاف في التواريخ و الحلول
- Year of Publication: 2001.
- Download Part One. | Download Part Two.
- Author: Thomas Djamaluddin.
- Name in English: Calendar Conversion Program Used To Analyze Early History of Islam.
- Name in Arabic: استخدام برنامج لتحويل التقويم لتحليل الأحداث القديمة في الإسلام
- Year of Publication: 2001.
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- Author: Thomas Djamaluddin.
- Name in English: Re-evaluation of Hilaal Visibility in Indonesia
- Name in Arabic: إعادة تقييم رؤية الهلال في اندونيسيا
- Year of Publication: 2001.
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Topics other than prayer times and crescents
- Author: Flight crew and others.
- Name in English: Airborne Observations of an Asteroid Entry for High Fidelity Modeling: Space Debris Object WT1190F.
- Name in Arabic: رحلة الطائرة لرصد سقوط الجرم WT1190F على الأرض
- Year of Publication: 2016.
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- Author: Mohammad Odeh and Peter Jenniskens
- Name in English: The re-entry of artificial meteoroid WT1190F
- Name in Arabic: دخول الجرم الصناعي WT1190F
- Year of Publication: 2016.
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- Author: Peter Jenniskens, Mohammad Odeh, et al.
- Name in English: A survey of southern hemisphere meteor showers
- Name in Arabic: دراسة حول زخات الشهب في نصف الكرة الجنوبي
- Year of Publication: 2018.
- Download Paper as PDF
