to sense or guess the mood or atmosphere of one's surroundings; to read the room

Alternative form of 空気よめない

early in the morning

(history, collective, chiefly attributive) Japan and Korea / (collective, chiefly attributive) Japan and North Korea

first thing in the morning

all day

morning shift

朝御飯, 朝ご飯: breakfast

(slang) twittering of birds in the morning, a fiction trope implying that activities occurred in the night

(history, collective, of China) the Northern and Southern dynasties / (history, collective, of Japan) the Northern and Southern Courts