It's about time
US /ɪts əˈbaʊt taɪm/
UK /ɪts əˈbaʊt taɪm/

1.
sudah saatnya, sudah waktunya
used to say that something should have happened sooner or that it is already late
:
•
It's about time you cleaned your room!
Sudah saatnya kamu membersihkan kamarmu!
•
After waiting for an hour, it's about time the bus arrived.
Setelah menunggu satu jam, sudah saatnya bus tiba.