one morning
Tuve una mañana muy alegre gracias a que pude oír el canto de los pájaros.
I had a very happy morning thanks to being able to hear the birds singing.
It was a busy morning.
Todo comenzó una mañana de enero.
It all started one morning in January.
Aproveché una mañana para acabar con todo esto de la única manera posible.
I took advantage of a morning to end all this in the only way possible.
— Contratiempo (2017)
Una mañana él vio a una linda chica.
One morning he saw a pretty girl.
I had a busy morning.
It was a perfect morning.
Cuando una mañana, ella ya no se despertó.
When, one morning, she didn't wake up.
— La strada (1954)
It was an October morning.