(Part No. 8; Page No. 65) A:
Prayers should be offered at Masjids in congregation when their times become due. If they are offered before their time, they will not be valid. As for your father, continue advising him and read him this Fatwa, may Allah guide him to what is right. May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.