Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 1 month ago

Yes. It might be obligatory to pray the Farz of Fajr before sunrise, then pray the Nafila after sunrise as Qadha. Praying Nafila (Sunnah) is not permissible if it makes you miss performing the obligatory Prayer within its time.

Wassalam.