haj agha mohadnejad , the light of the earth. now, in terms of criteria and criteria, if we want to check the light of the earth, the moon can be the criteria and criteria of the first lunar month. ok, yes, we have a term. in fact , the foreigners say arsh shin, which is translated as the light of the earth. actually , this is a discussion in terms of jurisprudence. if we see the crescent moon. we didn't see it like tonight and tomorrow night, we saw the moon while its dark part is seen with a weak light because we have the crescent, then that dark part can be seen with a weak light, this is called background light. two of the famous jurists know that if you see the moon like this, it shows that that night is the second night, but the rest of the jurists do not accept this as a sign that if the moon is seen in such a way that the light of the earth is reflected in it, as it is called in jurisprudence texts or hadiths . they say that if the moon is seen, the moon is like one. it is said that this crescent is like a necklace , but