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
Zlatan	-	Croatian, Serbian, Bosnian, Macedonian, Bulgarian, Slovene
Magni	-	Ancient Scandinavian, Norse Mythology
Al-Amir	-	Arabic (Rare)
Cathy	['kæθi]
Ekwueme	-	Western African, Igbo
Rabindra	-	Bengali