This is the 7121st most frequent Spanish word.
fecha
Date.
Here, 'fecha' refers to a specific calendar date related to an event, your birthday.
¿Cuál es la fecha de tu cumpleaños?
What is your birthday's date?
In this sentence, 'fecha' defines a deadline or due date for an activity or task.
La fecha límite para entregar el informe es mañana.
The deadline to submit the report is tomorrow.
This usage of 'fecha' designates a planned date for an event that is yet to be confirmed.