on weekdays
La tienda abre hasta las diez de la noche entre semana.
The store is open until 10 pm on weekdays.
Entre semana trabajo, pero los fines de semana descanso siempre.
I work during the week, but I always rest on weekends.
Siempre está ocupada entre semana.
She's always busy during the week.
Entre semana, éramos Ozzie y Harriet.
During the week, we were Ozzie and Harriet.
— El Club de la Pelea (1999)
Echo de menos salir contigo entre semana.
I miss going out with you during the week.
— Juno: Crecer, correr y tropezar (2007)