Praying Maghrib behind one who is praying ‘Isha’

He did not know that ghusl from janaabah is obligatory; should he repeat the prayers?

Is work one of the excuses for which it is permissible to delay prayer beyond its time?

How should missed prayers be made up?

Ruling on making up missed prayers

Prayer of one who becomes unconscious and one who is sick and stops praying

Making up naafil acts of worship

He prayed for three years without doing ghusl from janaabah

He was unconscious for three days – does he have to make up his prayers?

She missed some prayers in the past – what should she do?