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
Maile	MIE-le	Hawaiian
Slavica	-	Serbian, Croatian, Slovene, Macedonian
EnÉAs	-	Portuguese (Brazilian)
NadeŽDa	-	Slovak, Serbian, Latvian
Cordula	-	German
Noela	-	Galician