on the day of
Portant une robe rouge le jour de sa disparition.
Wearing a red dress the day she disappeared.
Je donne cinquante mille yens à ma mère chaque mois le jour de ma paye.
I give my mother fifty thousand yen every month on payday.
Aujourd'hui est le jour de l'Indépendance.
Today is Independence Day.
Comment était-il habillé le jour de sa disparition ?
How was he dressed on the day of his disappearance?
— Les Diaboliques (1955)
Tom a demandé à Marie si elle avait l'intention de travailler le jour de Noël.
Tom asked Marie if she intended to work on Christmas Day.
Elle l'a eue le jour de ses huit ans.
She got it on her eighth birthday.
— Les Fraises sauvages (1957)
Je suis né le jour de mon anniversaire.
I was born on my birthday.
It's my wedding day.