eines Tages
Translation
one day, some day
Examples
Eines Tages werde ich die Welt bereisen.
One day I will travel the world.
Eines Tages kam ein Fremder ins Dorf.
One day a stranger came to the village.
Grammar Patterns
eines Tages ... one day ... Eines Tages wird alles gut sein.
Similar Words
Synonyms: irgendwann (sometime)
Etymology
This is the genitive case of 'ein Tag' (a day). The genitive of time nouns can be used adverbially, meaning 'of a day' or 'on one day'.
Memory Tips
Literally 'of one day'. It can refer to a specific day in the past ('Once upon a time...') or an unspecified day in the future ('Some day...').