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2011

Because 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.

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Q: What year begins the second decade of the 21st century?
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What year does a decade start?

as we are now in the 21st Century, the decades start as 2010, 2020, 2030, 2040, 2050, 2060, 2070, 2080, 2090 and the 22nd Century will start as 2100


Why is it the 21 Century and not the 20 Century?

Because years 1-100 are in the first century; years 101-200 are in the second century, and so on... 2010 is in the 21st century.


What century are you in for 2010?

The 21st century


Why do the numbers not match the first numbers in the years?

You are referring to centuries. If you think about it, for any century we are in works from 1 to 100 years, with the last year being the number of that century. So 1 to 100 would have been the first century or first set of 100 years, 101 to 200 would be the second century and so on. We are now in the 21st century, the 21st set of 100 years, which is from 2001 to 2100. In 2100, 21 sets of 100 years will have been completed, so we are now during the 21st century even though all but the last year of it will start with '20'.You are referring to centuries. If you think about it, for any century we are in works from 1 to 100 years, with the last year being the number of that century. So 1 to 100 would have been the first century or first set of 100 years, 101 to 200 would be the second century and so on. We are now in the 21st century, the 21st set of 100 years, which is from 2001 to 2100. In 2100, 21 sets of 100 years will have been completed, so we are now during the 21st century even though all but the last year of it will start with '20'.You are referring to centuries. If you think about it, for any century we are in works from 1 to 100 years, with the last year being the number of that century. So 1 to 100 would have been the first century or first set of 100 years, 101 to 200 would be the second century and so on. We are now in the 21st century, the 21st set of 100 years, which is from 2001 to 2100. In 2100, 21 sets of 100 years will have been completed, so we are now during the 21st century even though all but the last year of it will start with '20'.You are referring to centuries. If you think about it, for any century we are in works from 1 to 100 years, with the last year being the number of that century. So 1 to 100 would have been the first century or first set of 100 years, 101 to 200 would be the second century and so on. We are now in the 21st century, the 21st set of 100 years, which is from 2001 to 2100. In 2100, 21 sets of 100 years will have been completed, so we are now during the 21st century even though all but the last year of it will start with '20'.You are referring to centuries. If you think about it, for any century we are in works from 1 to 100 years, with the last year being the number of that century. So 1 to 100 would have been the first century or first set of 100 years, 101 to 200 would be the second century and so on. We are now in the 21st century, the 21st set of 100 years, which is from 2001 to 2100. In 2100, 21 sets of 100 years will have been completed, so we are now during the 21st century even though all but the last year of it will start with '20'.You are referring to centuries. If you think about it, for any century we are in works from 1 to 100 years, with the last year being the number of that century. So 1 to 100 would have been the first century or first set of 100 years, 101 to 200 would be the second century and so on. We are now in the 21st century, the 21st set of 100 years, which is from 2001 to 2100. In 2100, 21 sets of 100 years will have been completed, so we are now during the 21st century even though all but the last year of it will start with '20'.You are referring to centuries. If you think about it, for any century we are in works from 1 to 100 years, with the last year being the number of that century. So 1 to 100 would have been the first century or first set of 100 years, 101 to 200 would be the second century and so on. We are now in the 21st century, the 21st set of 100 years, which is from 2001 to 2100. In 2100, 21 sets of 100 years will have been completed, so we are now during the 21st century even though all but the last year of it will start with '20'.You are referring to centuries. If you think about it, for any century we are in works from 1 to 100 years, with the last year being the number of that century. So 1 to 100 would have been the first century or first set of 100 years, 101 to 200 would be the second century and so on. We are now in the 21st century, the 21st set of 100 years, which is from 2001 to 2100. In 2100, 21 sets of 100 years will have been completed, so we are now during the 21st century even though all but the last year of it will start with '20'.You are referring to centuries. If you think about it, for any century we are in works from 1 to 100 years, with the last year being the number of that century. So 1 to 100 would have been the first century or first set of 100 years, 101 to 200 would be the second century and so on. We are now in the 21st century, the 21st set of 100 years, which is from 2001 to 2100. In 2100, 21 sets of 100 years will have been completed, so we are now during the 21st century even though all but the last year of it will start with '20'.You are referring to centuries. If you think about it, for any century we are in works from 1 to 100 years, with the last year being the number of that century. So 1 to 100 would have been the first century or first set of 100 years, 101 to 200 would be the second century and so on. We are now in the 21st century, the 21st set of 100 years, which is from 2001 to 2100. In 2100, 21 sets of 100 years will have been completed, so we are now during the 21st century even though all but the last year of it will start with '20'.You are referring to centuries. If you think about it, for any century we are in works from 1 to 100 years, with the last year being the number of that century. So 1 to 100 would have been the first century or first set of 100 years, 101 to 200 would be the second century and so on. We are now in the 21st century, the 21st set of 100 years, which is from 2001 to 2100. In 2100, 21 sets of 100 years will have been completed, so we are now during the 21st century even though all but the last year of it will start with '20'.


If this is the year 2010 what century is it?

It's the 10th year of the 21st Century.