6 Pre-conditions of Prayer

1. Freedom from impurity
The prayer of none amongst you would be accepted in a state of impurity until he performs ablution. (Muslim)

2. To pray at the appointed time
Indeed, prayer has been decreed upon the believers a decree of specified times. (An-Nisa: 103)

3. To cover your awrah
Males: ‘If the garment is large enough, wrap it round the body and if it is tight (too short) then use it as an Izar.’ (Bukhari)
Females: “The Salat of a women who has reached the age of menstruation is not accepted without a Khimar”. (Tirmidhi)

4. To purify the place of worship
Purify My House for those who perform Tawaf and those who stand [in prayer] and those who bow and prostrate. (Al Hajj: 26)

5. To face the Qiblah
“What is between the east and the west is Qiblah.” (Tirmidhi)

6. Intention for that prayer
The deeds are considered by the intentions. (Bukhari)