anytime
When the time comes.
Quiero ser rey cuando sea grande.
I want to be king when I grow up.
I'll call you when it's safe.
Cuando sea mayor podrá jugar contigo.
When he/she is older, he/she will be able to play with you.
— Die Blechtrommel (1979)
Wherever and whenever.
Puedes comprar y leer cualquier tipo de libro cuando sea.
You can buy and read any type of book whenever you want.
I will work wherever and whenever.