by the day

one day at a time. I don't know when I'll have to leave town, so I rent this room by the day.

by the day

Also, by the hour or week or month or year . According to a specific time period, as in I'm renting this car by the day, or He's being paid by the hour. This usage generally describes some kind of rate. [1400s]

Common Names:

Name	Pronounced	Usage
Hala	-	Arabic
Adalfuns	-	Ancient Germanic
Harding	['ha:diŋ]
Iliana	-	Greek, Bulgarian
Remigiusz	-	Polish
Lydia	['lidiə]