%0 Journal Article %T Astronomical Algorithms: Amended Multi-Millennia Calendar %A Boris S. Verkhovsky %J Int'l J. of Communications, Network and System Sciences %P 483-486 %@ 1913-3723 %D 2011 %I Scientific Research Publishing %R 10.4236/ijcns.2011.48059 %X Three new worldwide calendars are proposed and compared in this paper. None of them requires any departure from an existing tradition to divide years on lean and leap. Although all three are pretty accurate, it is demonstrated that the Julian calendar with one additional amendment is the simplest and the most suitable for implementation. %K Astronomic Algorithm %K Julian Calendar %K Gregorian Calendar %K Error Accumulation %K Amendments %K Multi-Millennia Calendar %K Synchronization %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=6922