Why Are We Living in the 21st Century? Understanding the Gregorian Calendar
Learn why the current era is called the 21st century and how the Gregorian calendar defines centuries from 2001 to 2100.
Video transcript
We are considered in the 21st century because we are living in the period from the year 2001 to 2100.** The Gregorian calendar, which is widely used today, defines the progression of centuries based on this timeframe. This means we are currently in the 21st century, following the 20th century, which spanned from 1901 to 2000.
Questions and answers
What years make up the 21st century?
The 21st century includes the years from 2001 to 2100 according to the Gregorian calendar.
Why does the 21st century start in 2001 and not 2000?
Centuries start with year 1, so the first century was from year 1 to 100, making the 21st century span from 2001 to 2100.
What calendar system defines the centuries we use today?
The Gregorian calendar, widely used today, defines the progression and numbering of centuries.