Não há ano 0 (zero).
Isto não é uma suposição. É uma realidade. Consultem as enciclopédias que
quiserem.
Convencionou-se que o ano de nascimento de Jesus Cristo foi o ano 1. Ou seja,
o PRIMEIRO ANO da era Cristã. É esse o calendário (anual) que usamos. O
calendário mensal era o Juliano (romanos) e actualmente é o Gregoriano (papal).
Calendar - Wikipedia, the free encyclopedia
Julian calendar - Wikipedia, the free encyclopedia
Gregorian calendar - Wikipedia, the free encyclopedia
Millennium - Wikipedia, the free encyclopedia
«(...) The common Western calendar, i.e. the Gregorian calendar, has been defined with counting origin 1. (...) the Gregorian Calendar has no year zero, the millennia should be counted from A.D. 1. (...)»
Portanto, matematicamente, as décadas vão de x1 a y0 (y=x+1).
Se querem ir pelo lado POPULAR da questão, em lugar de irem pelo lado
MATEMÁTICO, então considerem também que estão no século XX. Afinal,
estão nos anos 20xy, e não nos anos 21xy. Quando chegarem aos anos
21xy podem considerar como sendo o século XXI (21xy).
«(...)
Stephen Jay Gould noted in his essay Dousing Diminutive Dennis' Debate (or DDDD = 2000) (Dinosaur in a Haystack) that celebrations and media announcements marked the turn into the twentieth century along the 1900–1901 border (citing, amongst other examples, the New York Times headline "Twentieth Century's Triumphant Entry"). He also included comments on adjustments to the calendar, such as those by Dionysius Exiguus (the eponymous Diminutive Dennis), the timing of celebrations over different transitional periods, and the "high" versus "pop" culture interpretation of the transition. Further of his essays on this topic are collected in Questioning the Millennium: A Rationalist's Guide to a Precisely Arbitrary Countdown.
In the editorial to 2002's Best American Essays Gould highlights the use of historical events, rather than transitional dates, to delineate periods of history: "Many commentators have stated — quite correctly in my view — that the twentieth century did not truly begin in 1900 or 1901, by any standard of historical continuity, but rather at the end of World War I, the great shatterer of illusions about progress and human betterment... I suspect that future chroniclers will date the inception of the third millennium from September 11, 2001."
Douglas Adams highlighted the sentiment that those in favour of a 2001 celebration were pedantic spoilsports in his short web-article Significant Events of the Millennium. This sentiment was also demonstrated when, in 1997, Australian Prime Minister John Howard made a point in favour of the 2001 celebration and was named "the party pooper of the century" by local newspapers.
In an episode of the American sitcom Seinfeld entitled "The Millennium," Jerry states, "since there was no year zero, the millennium doesn't begin until the year two-thousand and one."[2]
In TV show The X-Files episode called Millennium, continuing the TV series of the same name, Scully mentions that the new millennium doesn't start until January 1, 2001. She is made fun of, but not suggested to be incorrect, when Mulder responds, "No one likes a math geek, Scully."
The Headless Bust: A Melancholy Meditation on the False Millennium by Edward Gorey takes place on December 31, 1999 and refers to the next coming year as the start of the new millennium, despite the fact that the title of the book calls it the "False Millennium."
Jeopardy! game show host Alex Trebek proudly welcomed his guests and contestants to the "first day of the twenty-first century" on the January 1, 2001 episode. (...)»
Decade - Wikipedia, the free encyclopedia
«(...) Some writers like to point out that since the common calendar starts from the year 1, its first full decade contained the years from 1 to 10, the second decade from 11 to 20, and so on.[3] The interval from the year 2001 to 2010 could thus be called the 201st decade, using ordinal numbers. However, contrary to practices in referencing centuries, ordinal references to decades are quite uncommon. (...)»
Century - Wikipedia, the free encyclopedia
«(...) According to the Gregorian calendar, the 1st century AD started on January 1, 1 and ended on December 31, 100. The 2nd century started at year 101, the third at 201, etc. (...)»
Isto não é uma suposição. É uma realidade. Consultem as enciclopédias que
quiserem.
Convencionou-se que o ano de nascimento de Jesus Cristo foi o ano 1. Ou seja,
o PRIMEIRO ANO da era Cristã. É esse o calendário (anual) que usamos. O
calendário mensal era o Juliano (romanos) e actualmente é o Gregoriano (papal).
Calendar - Wikipedia, the free encyclopedia
Julian calendar - Wikipedia, the free encyclopedia
Gregorian calendar - Wikipedia, the free encyclopedia
Millennium - Wikipedia, the free encyclopedia
«(...) The common Western calendar, i.e. the Gregorian calendar, has been defined with counting origin 1. (...) the Gregorian Calendar has no year zero, the millennia should be counted from A.D. 1. (...)»
Portanto, matematicamente, as décadas vão de x1 a y0 (y=x+1).
Se querem ir pelo lado POPULAR da questão, em lugar de irem pelo lado
MATEMÁTICO, então considerem também que estão no século XX. Afinal,
estão nos anos 20xy, e não nos anos 21xy. Quando chegarem aos anos
21xy podem considerar como sendo o século XXI (21xy).
«(...)
Stephen Jay Gould noted in his essay Dousing Diminutive Dennis' Debate (or DDDD = 2000) (Dinosaur in a Haystack) that celebrations and media announcements marked the turn into the twentieth century along the 1900–1901 border (citing, amongst other examples, the New York Times headline "Twentieth Century's Triumphant Entry"). He also included comments on adjustments to the calendar, such as those by Dionysius Exiguus (the eponymous Diminutive Dennis), the timing of celebrations over different transitional periods, and the "high" versus "pop" culture interpretation of the transition. Further of his essays on this topic are collected in Questioning the Millennium: A Rationalist's Guide to a Precisely Arbitrary Countdown.
In the editorial to 2002's Best American Essays Gould highlights the use of historical events, rather than transitional dates, to delineate periods of history: "Many commentators have stated — quite correctly in my view — that the twentieth century did not truly begin in 1900 or 1901, by any standard of historical continuity, but rather at the end of World War I, the great shatterer of illusions about progress and human betterment... I suspect that future chroniclers will date the inception of the third millennium from September 11, 2001."
Douglas Adams highlighted the sentiment that those in favour of a 2001 celebration were pedantic spoilsports in his short web-article Significant Events of the Millennium. This sentiment was also demonstrated when, in 1997, Australian Prime Minister John Howard made a point in favour of the 2001 celebration and was named "the party pooper of the century" by local newspapers.
In an episode of the American sitcom Seinfeld entitled "The Millennium," Jerry states, "since there was no year zero, the millennium doesn't begin until the year two-thousand and one."[2]
In TV show The X-Files episode called Millennium, continuing the TV series of the same name, Scully mentions that the new millennium doesn't start until January 1, 2001. She is made fun of, but not suggested to be incorrect, when Mulder responds, "No one likes a math geek, Scully."
The Headless Bust: A Melancholy Meditation on the False Millennium by Edward Gorey takes place on December 31, 1999 and refers to the next coming year as the start of the new millennium, despite the fact that the title of the book calls it the "False Millennium."
Jeopardy! game show host Alex Trebek proudly welcomed his guests and contestants to the "first day of the twenty-first century" on the January 1, 2001 episode. (...)»
Decade - Wikipedia, the free encyclopedia
«(...) Some writers like to point out that since the common calendar starts from the year 1, its first full decade contained the years from 1 to 10, the second decade from 11 to 20, and so on.[3] The interval from the year 2001 to 2010 could thus be called the 201st decade, using ordinal numbers. However, contrary to practices in referencing centuries, ordinal references to decades are quite uncommon. (...)»
Century - Wikipedia, the free encyclopedia
«(...) According to the Gregorian calendar, the 1st century AD started on January 1, 1 and ended on December 31, 100. The 2nd century started at year 101, the third at 201, etc. (...)»
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