expression
red sky at morning, sailors take warning; red sky at night, sailors delight
A traditional weather proverb: a red sunrise often means rain is coming, while a red sunset suggests the next day will be fine. Equivalent to the English 'red sky at night, shepherd's delight; red sky in morning, shepherd's warning.'
祖母はよく「朝焼けは雨、夕焼けは晴れ」と言っていた。
My grandmother often said, 'Red sky at morning, sailors take warning; red sky at night, sailors delight.'
A traditional Japanese weather proverb based on the observation that a red morning sky often precedes rain, while a red evening sky often precedes clear weather. The exact origin is uncertain, but similar proverbs exist in many cultures.