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Given that there was no year 0, the first decade would have been from year 1 to year 10 (inclusive). Adding ten-year intervals would lead to the result that the last year of the decade was 2000 and not 1999. However, that is the view of a purist mathematician - something of a minority view.
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Was the year 2000 really a part of the 1990s decade seeing as there was no year zero?
No, 2000 was not part of the 1990s. The 90s were all the years from 1990 to 1999. The fact that the decade finished in 1999, is one of the reasons people thought it was the end of the 20th century. A decade is a period of 10 years. We often think of them in terms of a second last digit the years start with, like the 80s, 90s etc. This means the decades as we think of them are 1 year out of synch with a standard 1 to 10 type of decade. In truth a decade can be any period of 10 years, so 1994 to 2003 was just as much a decade as 1990 to 1999 or 1991 to 2000.
If you are 9 what year was you born?
1999 or 2000
What year begins the second decade of the 21st century?
2011Because the common calendar starts with year 1, its firstfull decade is the years 1 to 10, the second decade from 11 to 20, and so on. So while the "2000s" comprises the years 2000 to 2009, the "201st decade" spans 2001 to 2010.
How many days are in a decade if the decade starts with a leap year?
The total days in a decade if the decade starts with a leap year would be 3653. 365 x 10, + 3.
How many year 1 decade?
A decade has 10 years in it.
