en aquellos días

in those days

→ en
phrase Rare #40,024
in those days Refers to a period in the past, often contrasted with the present. It can also be translated as “back then.”
SP: En aquellos días, no había internet.
EN: Back then, there was no internet.

En aquellos días me encantaba jugar damas.

In those days I loved playing checkers.

La industria como la conocemos hoy no existía en aquellos días.

Industry as we know it today did not exist in those days.

En aquellos días, poca gente podía viajar al extranjero.

In those days, few people could travel abroad.

Ella debe haber sido rica en aquellos días.

She must have been rich in those days.

En aquellos días, conocí a Jang-ok, en Shanghai.

In those days, I met Jang-ok in Shanghai.

— El imperio de las sombras (2016)

No teníamos televisor en aquellos días.

We didn't have a television back then.