Usually, normally
보통
Day (optionally follows the end of days of the week to mean on such and such day)
~날
Morning
아침
Daytime
낮
Afternoon, PM
오후
AM
오전
Evening; supper
저녁
Yesterday evening
어제 저녁
This evening
오늘 저녁
Night
밤
Last night
어젯밤
Tonight
오늘 밤
Early
일찍
Early in the morning
아침 일찍
Late
늦게
Late at night
밤늦게
In a while, a while later
이따가
When?
언제
Now
지금
Weekend
주말
Time; hour
시간
Nowadays
요즘
Nowadays, these days
요즘