How many days does it take for Pearson to send the score : ISB

Hi basically I’m applying for the R2 which has a deadline of 31st august
I’m planning to take the online gmat ( not the test centre one) and I’m confused about when to give the exam.
I just want to ask that after how many days does isb receive the official score report card from Pearson so that I can decide when to give the exam.
Ps: it’s different for the test centre one but mine is the online on

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