Compare:

“Come what come may,
Time and the hour runs through the roughest day.”
Macbeth, i. 3.

And:
Come day, go day,
God brings Sunday.]

A bon jour, bonne œuvre = The better the day, the better the deed.

*Ce n’est pas tous les jours fête = 1. Christmas comes but once a year. 2. One cannot always have “a high old time,” but must work as well. 3. Life is not all beer and skittles.

D’aujourd’hui en huit = This day week.

Il y a aujourd’hui huit jours = This day last week.

En plein jour = In broad daylight.

Il y a quinze ans jour pour jour = It was fifteen years ago to the very day.