No, your fast is not valid , you have to make up for this day.
Read moreOne can fast three days of every month and this reward is the same of six of shawwal. Kindly refer to the following link(s): https://www.youtube.com/watch?v=QHPEgSZwMxU&t=9s
Read moreShe can fast three days of every month and she will get the same reward of 6 of shawwal
Read moreNo. You can only fast shawwal after completing missed days of Ramadan. You can’t combine them
Read moreKindly refer to the following link(s): https://www.youtube.com/watch?v=w0SiyzMnDSY
Read moreThis is all permitted.
Read moreYou have till before next Ramadan. If you don’t make them up, you are sinful but you are still obliged to fast them.
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