There are many books dealing with this specialized subject, but when the Author engaged himself in this work he found from his study and experience that the Conservation Tables in circulation are not very comprehensive and suffered mainly from two shortcomings-inaccuracy and intricacy. This work tries to rectify both. On this topic Author’s cyclopedic work of interchanging Gregorian and Hijrah dates from 120 BH to 2010 AH (506 AD to 2571 AD) has already published under the title of a compendium of Muslim and Christian Dates. But in the present title Author has specifically compiled the Julian Era dates from 564 AD to 1582 AD (60 BH to 990 AH) and the Gregorian Era dates from 1583 AD (991 AH) onwards. This work consists of four chapters in all. Chapter -I is exclusively devoted to the delineating the inadequacy of the extant conservation tables; adoption of the new style dates; interchanging of the old and new style dates and the Muslim day and the Christian day. Chapter -II is concerned with interchanging of the Hijrah and Christian dates from 564 AD (60BH) onwards. Chapter III deals with the formulas to calculate the Julian or the Gregorian date of the first day of any lunar month from 564 AD (60BH) onwards. Chapter IV is exclusively for interchanging of the old and new style dates. This handbook of interchanging Muslim and Christian Era dates has been prepared after considerable study and labour with the hope that it will be useful to students and scholars as well as laymen alike.
ABOUT THE AUTHOR M.M. Jinnah
Professor M.M. Jinnah (b.1959-) has obtained P.H.D. degree from Kuman University, Nainital in 1984. Currently he is teaching as professor in the Faculty of Commerce and management Studies, Kuman University, S.S.J. Campus, Almora.
ABOUT THE AUTHOR Shahabuddin Ansari
Shahabuddin Ansari having gained an M.A. degree in English in 1978 started writing articles on Islamic matters, specially on Islamic Calendar published in India and abroad. His initial leaning has been towards studying various dating systems. So, since various calendrical systems and tried to evolve a simple and easy method of presenting Christian, Indian National (Saka Sambat) and Hijrah Calendars and method of conversion of dates. For this cause he devoted a period of more than ten years and could complete three volumes – the Compendium of Calendars; Conversion Tables and An Easy Method of Interchanging Hijrah and Christian Dates. So far a series of articles, exclusively based on these volumes have appeared in the MWL Journal, Saudi Arabia; Hamdard Islamicus, Pakistan and Islamic Culture, Hyderabad. Moreover, the author has been associated International Islamic Calendar Programme (IICP), conducted by Associate Prof. Dr. Mohammed Ilyas, Astronomical Research Unit, University of Malaysia. In 1989, the author got a chance to participate in a Conference-cum-Workshop on Internationalisation of Islamic Calendar held at jamia Hamdard, New Delhi, convened by Dr. Mohammed Ilyas. The author is also an ordinary member of the Muslim association for the Advancement of Science, Aligarh. In June 1994, he was invited to participate in a Science Oriented Camp held at Khandala, Pune. In 1997, he was chosen for his distinguished standing and has been conferred with an Honorary appointment to the Reserch Board of Advisers by the Governing Board of Editors, and Publications Board of the American Biographical Institute, Raleigh, North Carolina, USA. The author is also an Editor of Weekly Al-Hijr. Amongst his varied activities he is also a bibliophile.
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