at ten
Me iba a la cama a las diez cuando iba al colegio.
I used to go to bed at ten when I went to school.
En cualquier caso, deberías venir aquí a las diez.
In any case, you should come here at ten o'clock.
En general me acuesto a las diez.
I usually go to bed at ten.
The class started at ten.
A las diez habíamos quedado, ¿qué hora es?
We were supposed to meet at ten. What time is it?
— El cuaderno de Tomy (2020)
Normalmente me acuesto a las diez.
I usually go to bed at ten.
La boda se celebró a las diez.
The wedding was held at ten o'clock.
At ten in the morning.
Ella se durmió a las diez ayer.
She fell asleep at ten yesterday.
Were you home at ten?