The julian gregorian calendars - hermetic systems, The julian calendar, the gregorian reform and its adoption, astronomical year numbering, the julian and the gregorian proleptic calendars, and the accuracy of calendars.. Calendar converter - fourmilab, While any event in recorded human history can be written as a positive julian day number, when working with contemporary events all those digits can be cumbersome.. The mayan calendar | calendars - webexhibits, Aztec calendar. the aztec calendar was an adaptation of the mayan calendar. it consisted of a 365-day agricultural calendar, as well as a 260-day sacred calendar..
Julian date calendar - day year | vp calendar, This page previously labeled "julian date calendar". actuality, -accurate. listing day year. julian date . http://www.vpcalendar.net/Julian_Date.html The revised julian calendar - time date, The revised julian calendar; : orthodox churches: calendar type: solar: accuracy: 2 sec/year 1 day 31,250 years: number days: common year: 365. https://www.timeanddate.com/calendar/revised-julian-calendar.html Year - wikipedia, The julian year, astronomy sciences, time unit defined 365.25 days. normal meaning unit "year" (symbol ". https://en.wikipedia.org/wiki/Year