清明节即是节气又是节日。从节气上来说，它是24节气之一。
The Qingming Festival is a Chinese holidays. In solar term, it is one of 24 solar term.
我国20xx多年前的秦汉时期已基本形成了24节气。24节气综合了天文学和气象学等方面的知识，编排了"春雨惊春清谷天，夏满芒夏暑相连。秋处露秋寒霜降，冬雪雪冬小大寒"的歌谣。其中清明被排在歌谣的第五位。也是农历历法中的第五个节气。
In China 20xx years ago during the Qin and Han Dynasties has basically formed the 24 solar terms. 24 solar astronomy and meteorology etc. comprehensive knowledge, arranged a "spring cleaning day at spring, summer manwang summer. Autumn dew autumn frost, snow snow winter chill "ballad. The Qingming Festival is ranked in the fifth songs. Is lunar calendar in fifth solar term.
此时，天气转暖，大地回春，万物复苏，一片生机盎然，家家门口插柳条，祭扫坟墓和郊外踏青。农谚中也有"清明忙种粟"的说法。作为以花信为标志的花信风。清明的花期为一侯桐花，二侯麦花，三侯柳花，充分点明了清明节气的花期和花种。《岁时百问》说"万物生长此时，皆清洁而明净，故谓之清明"。
At this time, the weather gets warmer, Spring returns to the earth, the recovery of all things, a vibrant, every door willow, sweep tombs and in the countryside. Farmer's proverb there is "clear and bright in favor of millet" argument. Huaxinfeng as marked by florescence. The flower is a Hou Aegiceras, Rohmer spent two, three Hou Liu Hua pointed out, full flowering and Flower Festival air. "When the hundred year old question" that "all things are growing at the same time, clean and bright and clean, so that the Qingming festival".