date of passing of transactions occurred before inauguration of clinic in the books of accounts..

priyatambika ( ca final student) (323 Points)

25 August 2018  
the date of opening of a dental clinic is 29th Nov 2017..but the various transactions like rising of loan, purchasing of medical chairs making some payment for it etc had been occurred before 29th july..
so I want to know on which day such transactions will be entered in the books of accounts???