by day

and by night

during the day; during the night. (Often used in simultaneous clauses for contrast.) By day, Mary worked in an office; by night, she took classes. Dave slept by day and worked by night.

Common Names:

Name	Pronounced	Usage
Ilie	-	Romanian
Momoko	mo-mo-ko	Japanese
Anderson	AN-dər-sən	English
Arjuna	-	Hinduism
Raelyn	RAY-lin	English (Rare)
Marciane	-	Portuguese (Brazilian)