Hadith on Fasting: Politely refuse an invitation to eat if fasting

Zuhayr reported: The Prophet, peace and blessings be upon him, said, “If one of you is invited to a meal while he is fasting, then let him say: Indeed, I am fasting.

Source: Ṣaḥīḥ Muslim 1150

Grade: Sahih (authentic) according to Muslim

عن زهير عَنْ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ إِذَا دُعِيَ أَحَدُكُمْ إِلَى طَعَامٍ وَهُوَ صَائِمٌ فَلْيَقُلْ إِنِّي صَائِمٌ

1150 صحيح مسلم كتاب الصيام باب الصائم يدعى لطعام فليقل إني صائم