Thana is a Sunnah opening supplication. It is neither a replacement for takbir nor for Quranic recitation. It is said after entering prayer and before beginning Quranic recitation.
Omitting it does not abolish the independent obligations of the opening consecration or Quranic recitation.
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Description of Prayer: Opening Takbir, Raising Hands, Hand Placement and Thana
Thana is a Sunnah opening supplication. It is neither a replacement for takbir nor for Quranic recitation. It is said after entering prayer and before beginning Quranic recitation.
Omitting it does not abolish the independent obligations of the opening consecration or Quranic recitation.