Islam Ka Falkiati Nizam By: Abdul Rehman Kilani اسلام کا فلکیاتی نظام اشمش والقمر بحسان تحریر: عبدالرحمان کلیان

This book contains very good information about lunar and solar calendars. The lunar calendar is more accurate than solar, you will find basic principle of lunar calendar. There are many methods in this book from which you can find a specific day by using a lunar calendar. Islamic events are also shown by solar and lunar calendars at the end of this book.