Determination of the day of the week not a Gregorian leap year, (but 19 in the Julian column indicates that it "is" a Julian leap year, as are all Julian "x"00 years). 20 indicates that 2000 is a leap year. Use Jan and Feb only in leap years. For determination of the day of the week (1 January 2000, Saturday) For determination of the dominical letter (2000, BA) For determination of the doomsday (2000, Tuesday) Note that the date (and hence the day of the week) in the Revised Julian and Gregorian calendars is the same from 14 October 1923 to 28 February AD 2800 inclusive and
Sabato triangle still been observed in more recent times. Sabato triangle The Sábato triangle () is a model concerned with linkages between science, industry and government, which has informed discussions of science policy throughout Latin America. It was developed during the 1960s and 1970s by the Argentine physicist and metallurgist Jorge Alberto Sábato, of the National Atomic Energy Commission (CNEA, the Argentine government agency overseeing development of nuclear power in the country). The idea of the triangle was proposed by John Kenneth Galbraith and developed by Sábato as a model of policy-making in science and technology. The model is based on the