Translation guide
This guide helps you express 'a long time ago' naturally in Japanese. The most common and versatile way is 昔 (むかし), but other options exist depending on formality, storytelling context, and how distant the past is.
To refer to a time far in the past in everyday conversation or writing.
The most common and natural word for 'a long time ago'. It can be used in both casual and formal contexts, and often appears in storytelling.
A long time ago, there was a big forest here.
I used to play with my friends a lot a long time ago.
Emphasizes a very distant past, like 'way back when'. More emphatic than 昔 alone.
This town was built a long, long time ago.
Refers to ancient times or the distant past, often used for prehistoric or legendary eras.
In ancient times, dinosaurs ruled the Earth.
To begin a story or fairy tale in a traditional narrative style.
The classic 'once upon a time' opening for fairy tales and children's stories. It sets a whimsical, old-fashioned tone.
Once upon a time, there lived an old man and an old woman.
Also used as a simpler storytelling opener, though 昔々 is more traditional for fairy tales.
To refer to a distant past in formal writing, speeches, or historical contexts.
A literary term for 'old days' or 'former times', often used in formal writing or historical descriptions.
A gathering was held to remember the old days.
Another literary term for 'old days' or 'bygone days', similar to 往時 but slightly more common in poetic contexts.
To say 'a long time ago' relative to now, but not necessarily ancient. Often used in personal anecdotes.
Means 'quite a while ago' or 'a long time ago' in a relative sense. Common in conversation.
I moved a long time ago.
Similar to ずいぶん前, meaning 'quite a while ago'. Slightly more casual.
We haven't met since a long time ago, have we?
Means 'quite a long time ago', emphasizing the length of time passed.
That store closed down quite a long time ago.
昔 implies a distant past, often years or decades ago. For 'a while ago' in the sense of hours or days, use さっき (just now) or 少し前 (a little while ago).
昔 is general; 昔々 is specifically for fairy-tale openings. Using 昔々 in normal conversation sounds overly dramatic or childish.
I visited Japan a long time ago.
A long time ago, people believed the earth was flat.
A long time ago, in a certain village, there lived a brave young man.
昔日の面影はもうない。
There is no trace left of the old days.