Ar Rayan is one of the gates of paradise and its for the people observing Fast(saum).
Narrated Sahl(R.A):The Prophet,Allah’s peace and blessings be upon him Said”There is a gate in Paradise called Ar Raiyan and those who observe fast will enter through it on the day of resurrection and none except them will enter through it.It will be said, ”Where are those who used to observe fast ?”.They will get up, and none except them will enter through it.After their entry the gate will be closed and nobody will enter through it”.
[Sahih Bukhari]
