un buen día

“un buen día” — one fine day in Spanish. Phrase, level A2. Una vez in the course is once. Un buen día is one fine day, without warning — often right before the twist. In a live sentence: “Un buen día dejó el trabajo y se fue” — One fine day he quit his job and left. You can hear how it sounds right here. A word from the everyday Spanish course, level A2.

Updated September 1, 2026 · Lingofly

In short

“one fine day” in Spanish
Written in Spanishun buen día
Translationone fine day
Part of speechphrase
LevelA2
  • un buen día
    one fine day

Why it looks that way

Una vez in the course is once. Un buen día is one fine day, without warning — often right before the twist

A word with a story stays in memory longer than one learned as a “spelling — translation” pair: memory holds on to meaning, not to a string.

In a live sentence

A single word almost never appears alone in conversation. A sentence shows where it fits and what stands next to it.

  • Un buen día dejó el trabajo y se fue
    One fine day he quit his job and left

How not to forget this word

Reading a word and remembering it are different jobs. A day later, little survives of a single reading — and that is not bad memory, that is how memory works.

Frequently asked

How do you say “one fine day” in Spanish?

«un buen día». In a live sentence: “Un buen día dejó el trabajo y se fue” — One fine day he quit his job and left. You can hear how it sounds right on this page. Phrase, level A2.

Why does this word look the way it does?

Una vez in the course is once. Un buen día is one fine day, without warning — often right before the twist. A word with a story stays in memory longer than a “spelling — translation” pair: memory holds on to meaning, not to a string.

Can I hear how it sounds?

Yes, right on this page: click the word and it will play. The sound works on any phone, and nothing needs to be installed.

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