Question: It is known that women must make up for her missed days of Sawm (Fast). It is also known that performing the Fareedah (obligatory act) first is better than performing a voluntary act of worship. Is it permissible for a woman to observe voluntary Sawm, such as the six days of Shawwaal and the Day of `Arafah (9th of Thul-Hijjah), then make up for the missed days of Ramadaan afterwards? `Aa’ishah (may Allaah be pleased with her) used to observe all voluntary Sawm and only make up for her missed days of Ramadaan in Sha`baan. Is this correct? What is the ruling on thevoluntary Sawm I observed on six days of Shawwaal and the Day of `Arafah? I still have not made up for the days I missed during Ramadaan.
Answer: To be on the safe side, it is preferable for a woman to start making up for her missed days of Sawm before observing any voluntary Sawm. This is because the Prophet (peace be upon him) said… read more here.