Q: We performed our salah Ya Shiek. One brother started to read the takbeerat. someone shouted to not start recieting the takbeerat. what is the opinion to its start time. please provide proof. Thank you shiek

A:…. ويجب تكبير التشريق من فجر عرفة إلى عصر يوم العيد على المقيم بالمصر عقيب فرض أدى بجماعة مستحبة وعندهما إلى عصر آخر أيام التشريق

One should start reciting the Takbeerat after the fjr salah on the 9th of zul hijjah. (As made clear from the above Arabic quote.)

Allah Certainly Knows Best.