The majority of scholars say that she must cover her feet.

Kindly refer to the following link(s):

https://www.youtube.com/watch?v=6zSOyAW4-VY

Is it obligatory for a woman to cover her feet during salah or it is sufficient if she covers till the ankle

Prayer | July 9, 2017 5:28 pm
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Here in Kandahar Afghanistan, we used to pray Witr like Maghreb except we do rafalyaden after Surat but since we heard from you how it is done we are doing it as you said. Now people say that ‘all the ulama in here are wrong? you should be doing it as you used to’; when we ask for the proof they have nothing to show.pleas guide us what to do?
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In my place of living the fazar prayer time starts at 3:39 (today). But the mosque gives azan at 4:15 or even delay more. But the mosques were very much on beginning time during Ramadan. My question is up to what time I can pray tahajjod and take food to keep fast? Is it azan or actual time from apps?