Does determining the birth of the hilal depend on mathematical calculations only or with the aid of other factors such as observatories on earth and those orbiting?
Again, there is no such thing as birth of the ‘hilal’. New Moon birth calculations are based on observation by observatories and they are not just mathematical calculations. What we calculate today for any future date may not be exact, because the orbits and speeds of moon and earth changes slightly and may be different 5 years from now. 1.5 Question: Does science absolutely negates the possibility of seeing the ‘hilal’ with the humane eyes unless its age is for example 14 hours? At what age can the Hilal be seen with various tools including the naked eyes? Answer: Science can give approximate hours hilal can be seen with naked eye, binoculars, or telescope. There is no exact answer, because there are many other factors that are more important for visibility such as atmospheric conditions, human optics, experience of observer etc. 1.6 Question: I read in some books about what is called “birth abortion” where the ‘hilal’ is seen in some parts of the earth, and not others, and for a cert
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