Man Lā Yaḥḍuruh al-Faqīh
Hadith 3501921 - وَ سَأَلَهُ اَلْعِيصُ بْنُ اَلْقَاسِمِ : عَنِ اَلْهِلاَلِ إِذَا رَآهُ اَلْقَوْمُ جَمِيعاً فَاتَّفَقُوا عَلَى أَنَّهُ لِلَيْلَتَيْنِ أَ يَجُوزُ ذَلِكَ قَالَ «نَعَمْ».
Hadith.1921 - Al-'Is ibn al-Qasim asked Imam (as) about a situation where a group of people all see the crescent and agree that it is for two nights.
Imam (as) said: "Yes, it is permissible."