four months
Ich bekam in vier Monaten meine Lizenz.
I received my license in four months.
— Y Tu Mama Tambien - Lust for Life (2001)
In vier Monaten um die Welt segeln?
Sail around the world in four months?
Alle drei Monate, immer am selben Tag und in denselben vier Monaten des Jahres.
Every three months, always on the same day and in the same four months of the year.