From Muhammad ibn 'Abdullah ibn Zurara, from Muhammad ibn Fudayl, from Abu al-Sabbah al-Kinani: Abu 'Abdillah عليه السلام said: "If a woman becomes pure (from menstruation) before the rising of dawn, she should perform the Maghrib and 'Isha prayers. And if she becomes pure before the sun sets, she should perform the Dhuhr and 'Asr prayers."