le bon moment
Maybe this isn't the right moment.
Ce n’est peut-être pas le bon moment.
Le moment idéal, c’est maintenant.
It's the right moment, its mouth is open.
C’est le bon moment, sa bouche est ouverte.
— Pinocchio (2019)
You've turned up at the right moment.
Tu es arrivé au bon moment.
Tom showed up at just the right moment.
Tom est arrivé au moment opportun.
Tom chose the right moment.
Tom a choisi le bon moment.
I'm waiting for the right moment.
J'attends le bon moment.
I want to wait for the right moment.
Je veux attendre le bon moment.
Dear friend, you've come at the right moment.
Cher ami, tu arrives au bon moment.
— Rome, Open City (1945)