en aquel entonces

back then

→ en
phrase Uncommon #20,815
back then Refers to a past time period. Often translates as "at that time" or "back then."
SP: En aquel entonces, vivíamos en Madrid.
EN: Back then, we lived in Madrid.

En aquel entonces era estudiante.

At that time I was a student.

— El jardín de los pecadores: Paradigma paradoja (Paradoja espiral) (2008)

Si mi madre hubiera estado todavía viva, me habría ayudado en aquel entonces.

If my mother had still been alive, she would have helped me back then.

En aquel entonces parecía que todos teníamos la misma edad.

Back then it seemed like we were all the same age.

Si hubiera tomado mi consejo en aquel entonces, ahora sería un hombre rico.

If he had taken my advice back then, he would be a rich man now.

Teníamos dieciocho en aquel entonces.

We were eighteen back then.

Debes hallar ese portal que en aquel entonces abriste.

You must find that portal you opened back then.

— Suzume (2022)

Era solo un niño en aquel entonces.

He was just a child back then.

En aquel entonces Mary era la novia de Tom.

Back then, Mary was Tom's girlfriend.

En aquel entonces, el campo estaba lleno de gente bailando y orando.

At that time, the field was full of people dancing and praying.

— Acantilado rojo (2008)

En aquel entonces pagué tres mil yuanes.

At that time I paid three thousand yuan.

— Naturaleza muerta (2006)

Eso era popular en aquel entonces.

That was popular back then.

Yo era el cocinero del campamento en aquel entonces.

I was the camp cook back then.

— Black Phone 2 (2025)

Tenía dieciocho años en aquel entonces.

I was eighteen years old at the time.

En aquel entonces se llamaba Sara Varela.

Back then, her name was Sara Varela.

— Zeta (2026)

Yo era joven en aquel entonces.

I was young back then.

Ustedes eran geniales en aquel entonces.

You guys were great back then.

— Ahora me ves 3 (2025)