It was narrated that Abu Hurairah said:“The Messenger of Allah (ﷺ) forbade anticipating the fast by fasting one day before sighting (of the crescent).”
Hadith No. 1646
Sunan Ibn Majah
Gradings:
Al-Albani:
Sahih
Muhammad Fouad Abd al-Baqi:
Sahih
Shuaib Al Arnaut:
Daif
Zubair Ali Zai:
Daif