My brother came here ____________ 10 a.m.
My brother came here ____________ 10 a.m.
میرا بھائی یہاں آیا ____________ صبح 10 بجے
Explanation
Around = about (around 5 P.M.)
Throughout = from starting to end; continuously
My brother came here around 10 a.m means میرا بھائی یہاں دس بجے کے قریب آیا۔