Be finished by Friday afternoon.
جمعہ کی دوپہر تک ختم ہو جائیں۔
"By" is used to indicate a deadline.
It means the task should be finished before or at the latest by Friday afternoon.
I need it by Friday at the latest.
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We use "at" to talk about public holidays and weekends (Friday)
ND22-6-2023
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