Question Summary:
Until what time can I make an intention [niyah] for a fast of Ramadan and is the pre-dawn meal [suhur] a requirement?

Question Detail:

I missed the Sehri and unfortunately I also forgot to make "niyaa" last night. When i woke up the time for sehri was gone, now my question is whether I can fast with out sehri nd niyaa???  Kindly return the answer asap. 

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
1. This question has already been answered at Ask Imam #36063.
Please see the following link: http://askimam.org/public/question_detail/36063
2. No, the pre-dawn meal [suhur] is not a requirement to keep a fast, however, it is a sunnah. [i][ii]
Mufti Sohail ibn Arif,
Assistant Mufti, Darul Iftaa
Chicago, USA
Checked and Approved by,
Mufti Ebrahim Desai.
 
بهشتي زيور، تيسرا حصة، ص. ١٤ تعميري كتب خانة  [i]
وأشار إلى أن التسحر ثابت واختلف فيه فقيل مستحب وقيل سنة واختار الأول في الظهيرية [ii]
 والثاني في البدائع
 البحر الرائق، ٢/ ٣١٤