# Is the year 2000 in the 20th or 21st century?

## Is the year 2000 in the 20th or 21st century?

The 20th Century consists of the years 1901 through 2000 and will end Dec. 31, 2000. The 21st Century will begin Jan. 1, 2001.”

## Why is the year 2000 the 21st century?

Why is this the 21st century and not the 20th century? the 21st century officially began January 1st 2001 and will end December 31st 2100. There is no year 0 in the Gregorian calendar, so that means at the end of the year 2000 we had completed 20 centuries and on 1/1/01 we had began the 21st set of 100 years.

Was the year 2000 in the 20th century?

January 1, 1901
20th century/Start dates
While the period 1900-1999 is of course a century, as is any period of 100 years, it is incorrect to label it the 20th century, which began January 1, 1901, and will end on December 31, 2000.

### What years is 21st century?

The 21st century is the present century of the Gregorian calendar. It began on January 1, 2001 and will last to December 31, 2100, though common usage mistakenly believes January 1, 2000 to December 31, 2099 to hold this distinction.

### Did the millennium start in 2000 or 2001?

The inexorable mathematical logic is that the official calendar millennium does not start until the year 2001. The first 2000 years end with the year 2000, and the next thousand start with 2001, the first year of the third millennium. Imagine a vast army of soldiers, with 1,000 men in each row.

What is the year 2000 known for?

The Year 2000 was the start of the new millennium. The New York Yankees defeat the New York Mets in five games in the 2000 World Series. It was the first ‘Subway Series’ since 1956. The U.S. population tops 282 million.

#### What is 21st century called?

The 21st (twenty-first) century is the current century in the Anno Domini era or Common Era, under the Gregorian calendar. It began on January 1, 2001 (MMI) and will end on December 31, 2100 (MMC).

#### Is 2000 the start of a new century?

The year 2000 is special–even though it isn’t the start of the 21st century–because it is a leap year. Julius Caesar devised the leap year to correct for the fact that the earth circles the sun in 352.24219 days.

What was the year 2000 called?

1st millennium
Thus, the 1st millennium is defined as spanning years 1–1000 and the 2nd the years 1001–2000. Although numerous popular celebrations marked the start of the year 2000, the 21st century and 3rd millennium ad began on January 1, 2001.