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This template may be used to display a person's or entity's whole lifespan in years, and optionally their final age or duration, also in years; the Gregorian calendar and AD/CE era are respectively, the implied default calendar and editable default era. Astronomical dates are not specifically handled; negative years are not allowed, but year '0' (zero) may be used when applicable. All date ...
Modern style guides recommend avoiding the use of the ordinal (e.g. 1st, 2nd, 3rd, 4th) form of numbers when the day follows the month (July 4 or July 4, 2024), [5] [6] and that format is not included in ISO standards. [7] The ordinal was common in the past and is still sometimes used ([the] 4th [of] July or July 4th).
The Life Clock is a concept by Bertrand Planes that is marked in sevens up to eighty-four, with a mechanism slowed down 61,320 times. Each number represents a year, and a full rotation is made each 84 years (12x7=84). This was the maximum average lifespan in Europe in 2006. The numbers on a Life clock are 7, 14, 21, 28, 35, 42, 49, 56, 63, 70 ...
This is a list of countries showing past life expectancy, ranging from 1950 to 2015 in five-year periods, as estimated by the 2017 revision of the World Population Prospects database by the United Nations Population Division. Life expectancy equals the average number of years a person born in a given country is expected to live if mortality ...
The Gregorian calendar did not exist before October 15, 1582. Gregorian dates before that are proleptic, that is, using the Gregorian rules to reckon backward from October 15, 1582. Years are given in astronomical year numbering. Augustus corrected errors in the observance of leap years by omitting leap days until AD 8.
Life expectancy development in some big countries of the world since 1960 Life expectancy at birth, measured by region, between 1950 and 2050 Life expectancy by world region, from 1770 to 2018 Human life expectancy is a statistical measure of the estimate of the average remaining years of life at a given age.
The Gregorian calendar, like the Julian calendar, is a solar calendar with 12 months of 28–31 days each. The year in both calendars consists of 365 days, with a leap day being added to February in the leap years. The months and length of months in the Gregorian calendar are the same as for the Julian calendar.
A calendar era is the period of time elapsed since one epoch of a calendar and, if it exists, before the next one. [1] For example, the current year is numbered 2025 in the Gregorian calendar, which numbers its years in the Western Christian era (the Coptic Orthodox and Ethiopian Orthodox churches have their own Christian eras).