How to Say “Your Full Birthday” in Spanish

tu fecha de nacimiento completa
/tu fet͡ʃa de naθimjento kompleta/from spelling rules
In Spanish, "your full birthday" is said as tu fecha de nacimiento completa.
In official forms or legal contexts, fecha de nacimiento is the standard way to refer to a birthday.

What does it mean word for word?

The phrase is built literally from tu (your), fecha (date), de (of), nacimiento (birth) and completa (complete).

Is it said differently in some regions?

In some Latin American countries, the word for birthday is cumpleaños.

How does it change in a sentence?

The adjective completa must be feminine to agree with the feminine noun fecha.

When do people say it?

The phrase Mi cumpleaños es el… is a common way to express your birthday informally.

Did you know?

  • The word cumpleaños is a compound of cumplir (to complete) and años (years). To have a birthday is literally to 'complete years'.
  • The word fecha comes from the Latin facta, which means 'done' or 'made'. This implies that a date is something that has been established or fixed.
  • While fecha de nacimiento is used for documents, asking for someone's cumpleaños implies a celebration. Using the formal phrase in a social setting might make you sound like a government official.

Examples in context

  • Señor López, me gustaría informarle que la fecha de mi cumpleaños es el veinte de mayo.
    Mr. López, I would like to inform you that the date of my birthday is May 20th.
  • Hola Marta, nací el veinticinco de abril. ¿Qué planes tienes para celebrarlo?
    Hi Marta, I was born on April 25th. What plans do you have to celebrate it?
  • Necesito tu fecha de nacimiento completa para el registro.
    I need your full birthday for the registration.
  • ¿Podrías escribir tu fecha de nacimiento completa aquí?
    Could you write your full birthday here?
  • El formulario pide tu fecha de nacimiento completa.
    The form asks for your full birthday.

Example conversation

At a doctor's office reception desk.

  1. Daniel

    Hola, necesito tu fecha de nacimiento completa para la cita.
    Hello, I need your full birthday for the appointment.
  2. Lucía

    Claro, es el doce de mayo de mil novecientos noventa.
    Sure, it is May 12th, 1990.
  3. Daniel

    Gracias, Lucía. Todo está correcto.
    Thank you, Lucía. Everything is correct.
  4. Lucía

    Perfecto, gracias a ti.
    Perfect, thank you.

Sources

  • IPA marked “from spelling rules” is derived from standard Spanish spelling, where Wiktionary gives none.
  • Word origins: Wiktionary entries de, fecha, nacimiento, tu, CC BY-SA 4.0.
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Hayley Lindsay
Hayley LindsayHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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