This is the 5984th most frequent Spanish word.
víspera
The day or evening before an event or occasion.
víspera is used to denote the day or evening before a significant event, in this case, Christmas.
En la víspera de Navidad, los niños dejan sus calcetines cerca de la chimenea.
On Christmas Eve, children leave their socks near the fireplace.
víspera is used to indicate the time immediately preceding a major event, here an exam.
La víspera del examen, repasé todas mis notas para asegurarme de estar preparado.
The day before the exam, I reviewed all my notes to ensure I was prepared.
víspera is used to signal the period leading up to an important event, independence in this example.