Where is the suttas is 'sati' defined as present moment awareness?

I read the following on the internet: > *About this unusual understanding of sati ("Sati is never present moment awareness") I hope the reader of this answer put some time > reading the suttas to come to his/her own conclusion about what sati > can refer to.* Where is the Palis suttas is 'sati' defined as 'present moment awareness'?