Names of the days of the week the "first day". This convention is also found in some Austronesian languages whose speakers were converted to Christianity by European missionaries. In Slavic languages, some of the names correspond to numerals after Sunday: compare Russian "vtornik" "Tuesday" and "vtoroj" "the following", "chetverg" "Thursday" and "chetvertyj" "the fourth", "pyatnitsa" "Friday" and "pyatyj" "the fifth"; see also the Notes. In Standard Chinese, the week is referred to as the cycle of the stars (). The modern Chinese names for the days of the week are based on a simple numerical sequence. The word for "week" (which is literally translated to "star day")
IAU Working Group on Star Names IAU Working Group on Star Names The International Astronomical Union (IAU) established a Working Group on Star Names (WGSN) in May 2016 to catalog and standardize proper names for stars for the international astronomical community. It operates under Division C Education, Outreach and Heritage. The IAU states that it is keen to make a distinction between the terms "name" and "designation". To the IAU, "name" refers to the (usually colloquial) term used for a star in everyday speech, while "designation" is solely alphanumerical and used almost exclusively in official catalogues and for professional astronomy. (The WGSN notes that transliterated Bayer