As salaam mu alaikum
I would like clarification, is a person fast is valid, if he makes intention to fast( nafl ) just before the beginning of fajr?
Wa Alaikum as Salaam,
Yes, in this case his fast will be valid.
And Allah knows best,
Mufti Waseem Khan
This answer was collected from DarulUloomTT.net, which is operated under the supervision of Mufti Waseem Khan from Darul Uloom Trinidad and Tobago.