# What Century Are We In Now? - When Does A Century Starts And Ends?

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## 21st Century

We are now in 21st century which started from the beginning of the year 2001 and this century will end at the end of the year 2100. The 1st century started from the beginning of the year 0001 and ended at the end of the year 0100. This is only valid for the Gregorian calendar which is also known as the Western calendar or the Christian calendar and it’s the internationally accepted civil calendar.

## Birth of Christ

Years before the birth of Christ are referred to as BC meaning “Before Christ”. Years after the birth of Christ are referred as AD meaning “Anno Domini”. AD may also means “Year of the Lord Jesus Christ” to some people.

## Gregorian calendar

In the Gregorian calendar, there is no year Zero. Year Zero is just a popular imagination of man as he has become used to counting numbers from 0 to 9. Problems started when someone decided that 1 AD will follow immediately after 1 BC. This means the number of years between 1 BC and 1 AD is 1 year and not 2 years.

## Birth of Jesus Defies All Mathematical Logic

It was a guy called Aloysius Lilius from Naples, Italy who was an adviser to Pope who imagined that Jesus Christ should not be portrayed to be born on year Zero. Even if it was you, would you agree to propose that Christ was born on year Zero? He had to be given something. Yes, Jesus was born in such a way that his year of birth defies all mathematical logic. He was born somewhere between 1 BC and 1 AD but not at year Zero. And a Pope by the name Gregory XIII decreed the calendar in a papal bull on 24th February 1582 and since what pope has decided can not be wrong, we all followed from there. This is why we count years starting from January 1, 1 AD.

## List of Centuries - Centuries Timeline

Here is a List of Centuries - Centuries Timeline - listing when each century started and ended since the birth of Christ.

1. The 1st century started on January 1, 001 and ended on December 31, 0100
2. The 2nd century started on January 1, 101 and ended on December 31, 0200
3. The 3rd century started on January 1, 201 and ended on December 31, 0300
4. The 4th century started on January 1, 301 and ended on December 31, 0400
5. The 5th century started on January 1, 401 and ended on December 31, 0500
6. The 6th century started on January 1, 501 and ended on December 31, 0600
7. The 7th century started on January 1, 601 and ended on December 31, 0700
8. The 8th century started on January 1, 701 and ended on December 31, 0800
9. The 9th century started on January 1, 801 and ended on December 31, 0900
10. The 10th century started on January 1, 901 and ended on December 31, 1000
11. The 11th century started on January 1, 1001 and ended on December 31, 1100
12. The 12th century started on January 1, 1101 and ended on December 31, 1200
13. The 13th century started on January 1, 1201 and ended on December 31, 1300
14. The 14th century started on January 1, 1301 and ended on December 31, 1400
15. The 15th century started on January 1, 1401 and ended on December 31, 1500
16. The 16th century started on January 1, 1501 and ended on December 31, 1600
17. The 17th century started on January 1, 1601 and ended on December 31, 1700
18. The 18th century started on January 1, 1701 and ended on December 31, 1800
19. The 19th century started on January 1, 1801 and ended on December 31, 1900
20. The 20th century started on January 1, 1901 and ended on December 31, 2000
21. The 21st century started on January 1, 2001 and ends on December 31, 2100
22. The 22nd century starts on January 1, 2101 and ends on December 31, 2200
23. The 23rd century starts on January 1, 2201 and ends on December 31, 2300

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Alfred Guzman on April 23, 2018:

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In spite of the explanation above, call it what it is. Look at the calendar it says 2018 not 2118

PYSTARZEN on October 21, 2015:

YES

Oduh m Destiny on June 25, 2015:

Jesus is the only begotten son of God who was born some 200 yes ago in to the family of MR Joseph a servant of God.

bayo on May 17, 2012:

these calendar is quite ok.for me to log in here and found a geogean and history.thank

the bentley on December 19, 2011:

Wrong if the first century started on Jan 1st,001-Jan 1st-100. That would only be 99 yrs do the math. this is how each century should be. 1st century all starting on Jan 1st & ending when Jan 1st starts. the 1st century would be 0-100, 2nd 101-201, 202-302, & so on, once a year is used it can't be used again. do the math & you'll understand.the 17th century started on 1616 Jan 1st & ended on 1716 12:00.01am Jan 1st. I think it does start from 0 because when your born it takes 364 1/4 days for you to become a year old.

Hello, hello, from London, UK on December 26, 2010:

Very inforamtive hub.