Leap year fast facts - cnn, Read cnn's fast facts about leap year. 2020 is a leap year, and leap day is february 29, 2020, on a saturday.. When leap year? | leap year dates, history, When is the next leap year? find out when the next leap day will be, how to calculate leap years, and read about leap year folklore and history!. 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..

Julian day - wikipedia, Terminology. term julian date refer, astronomy, day--year number ( properly, ordinal date) gregorian calendar. https://en.wikipedia.org/wiki/Julian_day The julian calendar - time date, The julian calendar reformed ancient roman calendar consists cycles 365-day years 366-day leap year. introduced named . https://www.timeanddate.com/calendar/julian-calendar.html Leap year - wikipedia, A leap year ( intercalary year bissextile year) calendar year additional day (, case lunisolar calendars, month. https://en.wikipedia.org/wiki/Leap_year