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
Yeong-Gi	yung-gee	Korean
Iris	IE-ris (English), EE-ris (German, Dutch), EE-rees (Finnish, Spanish)	Greek Mythology, English, German, Dutch, Swedish, Norwegian, Danish, Finnish, French, Spanish
Abha	-	Indian, Hindi
Paul	[pɔ:l]
Sylvaine	seel-VEN	French
Curtis	['kə:tis]