He woke up during the day in Ramadan and found that he was emitting maniy (semen), and he does not know whether it was a wet dream or masturbation; what is the ruling on his fast?

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Check below answers in case you are looking for other related questions:
He declared that he was an apostate in order to avoid having to offer expiation, then he repented and regretted it
Does masturbation at night in Ramadaan invalidate the fast?

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Related Answers:
Can a Hanbali treat with cupping (hijamah) someone who does not think that cupping breaks the fast?
Smoking is haraam and invalidates the fast
Emission of semen without pleasure
He declared that he was an apostate in order to avoid having to offer expiation, then he repented and regretted it
Does masturbation at night in Ramadaan invalidate the fast?

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