Here you can see 9 Muharram Whatsapp videos 2017. Although the fasting of the month of Muharram is not obligatory, the one who is fasting from his own will and his choice these days is justified by a great reward from Almighty Allah. The above-mentioned hadith means that the fastings of the month of Muharram are worthwhile among the Nafl fast; the fast, which one observes from his own choice without being obligatory.
The hadith does not mean that the reward promised for the fasting of Muharram can only be achieved by fasting for the whole month. On the contrary, very fast this month has merit. Therefore, you should take advantage of this opportunity.