When does the decade end?

What year does this decade end 2009 or 2010?

8 Answers

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  • 1 decade ago
    Favorite Answer

    Consider the first year of the decade to be 1. There is no 0 to start. So the full ten years would end in this decade for example on 12/31/10

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  • 1 decade ago

    i think it ends on the last day of 2010. 2011 would be the first year of the next decade

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  • A.M
    Lv 6
    1 decade ago

    it will end in 2010

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  • 1 decade ago

    As you probably know a century has 100 years in it, and a decade has 10. So, therefore this decade ends in 2010.

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  • Anonymous
    1 decade ago

    this decade ends on the very last day of 2009... "decade" means ten years..so 2000-2009 is exactly 10 years, meaning the first day of 2010 will be the start of a new decade....if you say it doesnt finish until 2010, its like saying th 1960s didnt begin until 1961, because the year 1960 would've marked the last year of the 1950's? that's rather ridiculous dont you think?

    Source(s): common sense and: http://en.wikipedia.org/wiki/2010s
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  • Anonymous
    1 decade ago

    it would be 2011, because at the end of 2010 would mark 10years

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  • It ends 2010.

    It begans in 2011.

    2009 is just the penultimate year of the decade.

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  • 1 decade ago

    I think 2009. Let's see what other people think. Now I'm not sure.

    Didn't the millenium end in 1999 and the beginning of the new millenium was in 2000?

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