以茶计时之事四川宜宾市土产公司刘盛龙谁都知道计时是以年、月、日为单位，而一天内的时间，世界公认的是以二十四小时来计算，或者有上午下午之分，或者有早、中、晚之区别。而我国对一天时间的计算，从古至今有十二个时辰的传统计算方法，即：子、丑、寅、卯、辰、已、... Tea time thing Liu Shenglong, a local company in Yibin, Sichuan, knows that timekeeping is based on year, month and day, and that the time in a day is recognized by the world in 24 hours or in the afternoon in the afternoon, Or there are early, middle and late differences. And our calculation of the time of day, from ancient times there are twelve hour traditional calculation methods, namely: son, ugly, Yin, Mao, Chen, has, ...