Sunan an-Nasa'i 2331
سنن النسائي#2331Da'ifIt was narrated from Hafsah that the Prophet said:"Whoever does not have the intention of fasting before dawn, then there is no fast for him."(Daif)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiDaif
In-book reference: 22:242