Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
분점년은 낮과 밤의 길이가 같은 해를 의미합니다.bunjeomnyeoneun naggwa bamui giri ga gateun haereul uimihae.The equinoctial year refers to the year when day and night are of equal length.