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
Lake	LAYK	English (Rare)
Antonietta	-	Italian
China	CHIE-nə	English (Modern)
EydÍS	-	Ancient Scandinavian, Icelandic
Nicolae	-	Romanian
Jaywant	-	Indian, Marathi