Cathay as "Cathay" (in a number of spelling variants) as well. The name occurs in the writings of Giovanni da Pian del Carpine (c. 1180–1252) (as "Kitaia"), William of Rubruck (c. 1220–c. 1293) (as "Cataya" or "Cathaia"). Rashid-al-Din Hamadani, ibn Battuta, Marco Polo all were referring to Northern China as Cathay, while Southern China, ruled by the Song dynasty, was "Mangi", "Manzi", "Chin", or "Sin". The word "Manzi" (蠻子) or "Mangi" is a derogatory term in Chinese meaning "barbarians of the south" ("Man" was used to describe unsinicised Southern China in its earlier periods), and would therefore not have been used
Solar term yī liǎng tiān<br> shàng bàn nián lái liù, niàn yī<br> xià bàn nián shì bā, niàn sān<br> In Japan, the term Setsubun (節分) originally referred to the eves of Risshun (立春, 315°, the beginning of Spring) Rikka (立夏, 45°, the beginning of Summer), Risshū (立秋, 135°, the beginning of Autumn), and Rittō (立冬, 225°, the beginning of Winter), but currently mostly refers to the day before Risshun. The name of each solar term also refers to the period of time between that day and the next solar term, or 1/24th of a year. Solar term A solar term is any