day
US /deɪ/
UK /deɪ/

1.
jour
a period of 24 hours as a unit of time, reckoned from one midnight to the next, corresponding to a rotation of the earth on its axis
:
•
There are seven days in a week.
Il y a sept jours dans une semaine.
•
The meeting is scheduled for next Tuesday.
La réunion est prévue pour mardi prochain.
2.
jour, journée
the part of a day when there is light; the time between sunrise and sunset
:
•
It gets dark after day.
Il fait nuit après le jour.
•
We worked all day and night.
Nous avons travaillé tout le jour et la nuit.