When does the 21st century start?

Answer Our current calendar, which is the Gregorian calendar, ended the 20th century on December 31, 2000. The 21st century started January 1, 2001 and will continue through December 31, 2100, then begin... Read More »

Top Q&A For: When does the 21st century start

What year did the 21st century start?

The 21st century did not officially begin until January 1, 2001, according to the U.S. Naval Observatory website. The Gregorian calendar, to which the United States and many other Western countries... Read More »

Why is this century referred to as the 21st century?

This century is known as the 21st century because it encapsulates the years between 2000 through the end of the year 2099. It is the 21 consecutive amount of 100-year periods starting at the year 0... Read More »

What era is the 21st century?

The 21st is known as the "common era" or the "Christian era." Pope Gregory XIII standardized the Gregorian calendar we use today in the year 1582. Since it measures time dating from the birth of Je... Read More »

When does the 21st century end?

According to the Gregorian calendar, the 21st began on January 1, 2001 and will continue until December 31, 2100. On the Gregorian calendar, the years in a century are counted from AD 1, the first ... Read More »