Fasting:
Fasting in the month of Ramazan was made obligatory upon all adult Muslim In the second year of the Hijrat in these words of the Quran:
“O you who believe! Fasting is prescribed to you as it was prescribed to those before you so that you may (lean) self-restraint.” (2: 183)
Zakat:
The payment of Zakat was also made obligatory upon all rich Muslims in the following words:
“And spend of your substance in the cause of Allah;.. do good: for Allah loveth those who do good.” (2:195)
Change of Qiblah:
An important event of the second year of Hijrat was the change of Qiblah that is the direction to which a Muslim turns his face while saying his prayers.
In Makkah, the Muslims used to pray facing the direction of the Mosque of Al-Aqsa in Jerusalam. In Madinah, they continued to do so for over sixteen months. In 2 A.H. while the Holy Prophet PBUH was leading the Asr prayers at the mosque in Madinah, he was ordered to pray facing the direction of the Ka’abah, which henceforth, became the religious centre for Muslims. The Holy Prophet PBUH and the congregation immediately turned their faces towards Ka’abah. In this connection, the Holy Quran says: