Toilet      01/06/2024

21st century from start to finish. When will the 20th century begin? Where did the general misconception come from?

  1. 2000 I think
  2. In 2000...
  3. https://ru.wikipedia.org/wiki/XXI_vek#2010-.D0.B5_.D0.B3.D0.BE.D0.B4.D1.8B
  4. January 1, 2001.
  5. severe case... in 2000
  6. 2001...I think)))
  7. in 2001 of course
  8. January 1, 2001
  9. In 2001. If, of course, the question is without a trick. .
    Zhanna, who has a serious case?)))
  10. January 1, 2000
  11. unfortunately in 2000
  12. On January 1, 2001, the XXI CENTURY began!

    Since the 18th century, they began to use the counting of years “BC” (a. D. - ante Deum - “before the Lord”). This counting of years, called historical or chronological, has one important feature. The first year BC (1 BC) is closely adjacent to the first year AD (1 AD). There was no gap between them in the form of a zero year. After all, probably no one has ever heard of any event that took place in the year 0. In distinguishing between two eras, Dionysius the Less simply could not use zero as a boundary point, because in the 6th century European mathematicians did not know the concept of “zero”. So, it turns out that January 1, 1 AD. e. occurred immediately after December 31, 1 BC. e. , only a “moment” separates them.


    But if there is no zero year, then the years should be counted as you usually count some objects, for example, children's counting sticks or matches: 1, 2, ... 9, 10; 1, 2, ..99, 100; 1, 2, ..999, 1000, etc. It is clear that 10, 100 and 1000 refer to the first ten, the first hundred, the first thousand, respectively. Similarly, the number 2000 closes the second thousand, and the third thousand begins with the number 2001. And naturally, January 1, 2001 will be the first day of the 21st century and the 3rd millennium. It just so happens that a person begins his life from zero, and the calendar CENTURY begins from one.

  13. in 2001. The year 2000 refers to the 20th century, and only on January 1, 2001 the 21st century began
  14. It’s simple: which bottle does the second box of vodka start with - the 20th or the 21st?
    Whoever answers this question will understand that the 21st century begins on January 1, 2001
  15. The year number is in a sense the age of Christ.

    When a child is 5 years old, we say: “Vasenka is in his sixth year.”
    When we enter the year 2000 (that is, Christ enters the year 2000), this means that a full 1999 years have passed. When the last year 2000 ends, the century will end.

  16. The twenty-first century began on January 1, 2001.
    This is absolutely true!
  17. In 2000, new centuries come with zeros....
  18. The year 2000 is the 20th century... the new century came with the New Year, which means January 1, 2001))))
  19. 2000 is the last year of the twentieth century.
  20. of course 2001

Attention, TODAY only!

A little theory

The term “century” in history usually refers to a period of time lasting 100 years. To understand how to determine what year the 21st century, like any other, began, you need to know one small nuance of the generally accepted chronology. Everyone knows that the time of origin of all events is chronologically divided into two periods: before our era and after. But not everyone knows what date stands at the turn of these two eras.

Have you ever heard of 0 year? Unlikely, because 1 BC. e. ended on December 31, and the next day began a new one, 1 AD. e. That is, 0 year simply did not exist in the generally accepted chronology. Thus, a period of time one century long begins on January 1, 1 year, and ends, accordingly, on December 31, 100. And only the next day, January 1 in the year 101, a new century begins.


Due to the fact that many are unaware of this seemingly insignificant historical feature, there has been confusion for quite some time about when and in what year the 21st century will arrive. Even some TV and radio presenters called for celebrating the New Year 2000 in a special way. After all, this is the beginning of both a new century and a new millennium!

When did the 21st century begin?

Calculating in what year the 21st century began, taking into account all of the above, is not at all difficult.

So, the first day of the 2nd century was January 1, 101, the 3rd was January 1, 201, the 4th was January 1, 301, and so on. It's simple. Accordingly, when answering what year the 21st century began, it should be said - in 2001.

When will the 21st century end?

Understanding how the chronology of time is maintained, one can easily say not only what year the 21st century began, but also when it will end.

The end of the century is determined similarly to the beginning: the last day of the 1st century was December 31, 100, the 2nd was December 31, 200, the 3rd was December 31, 300, and so on. Finding the answer to the question posed is not so difficult. The last day of the 21st century will be December 31, 2100.

If you want to calculate what year the new millennium starts from, you should follow the same rule. This will avoid mistakes. Thus, the third millennium according to the Gregorian calendar, adopted by the vast majority of world states, began on January 1, 2001, simultaneously with the beginning of the 21st century.



Where did the general misconception come from?

In Russia, the chronology adopted today was introduced by the decree of Peter I. And before that, the count was carried out from the creation of the world. And after the adoption of the Christian chronology, instead of 7209, the year 1700 came. People of the past were also afraid of round dates. Along with the new calendar, a decree was issued on the cheerful and solemn celebration of the new year and the new century.

In addition, we should not forget that with the adoption of Christian timekeeping in Russia, the calendar remained Julian. Because of this, for all historical events before the transition to the Gregorian calendar (1918), two dates are determined: according to the old style and according to the new style. And due to the different lengths of the year adopted in each of the two types of calendars, a difference of several days appeared. And therefore, in 1918, with the introduction of the Gregorian calendar, after January 31, February 14 came.

If we rely on the decree of Peter I, the new century should begin in 2000.

How long is it actually until the beginning of the new century and the new millennium?

Will 2000 be a leap year?



How many calendar days in the 21st century will have to be subtracted to convert the date to the old style?

The end of the twentieth century is getting closer and closer. In the press, on the radio, on television, forecasts are heard loudly and forcefully: what the 21st century will be like - the beginning of the third millennium AD.

And preparations for the solemn meeting of this significant date are already in full swing. Some American company bought an island in the Pacific Ocean and is going to photograph the beginning of the century there: the first rays, the first sunrise of the emerging year 2000. There is a clock on the Great Wall of China that counts down the seconds until the year 2000. Every day the radio station “Echo of Moscow” solemnly announces the number of days remaining until the beginning of the year 2000. The date is round, even very round!

All this is probably good and interesting, but it is not clear why the beginning of a round date is associated with the beginning of a new century?

And many people think that the 21st century begins on January 1, 2000. However, this deeply rooted belief is absolutely wrong.

The beginning of the new millennium AD (according to the Gregorian calendar, now adopted in most countries of the world, including our country) falls on 24.00 hours on December 31, 2000 or 00.00 hours on January 1, 2001.


Let's try to convince the reader of this. A century is a hundred years. The counting, of course, starts from year 1 (there is never a zero year). Any century ends when a full hundred years have passed. Therefore, the hundredth year is the last year of the outgoing century. The 101st year is the beginning of the next century. January 1, 1901 marked the beginning of our twentieth century, and its last day will be December 31, 2000. And finally, from January 1, 2001, the 21st century and the new - third millennium AD - come into their own.

To all these arguments one can sometimes hear the following objection. When a person turns, for example, 30 or 40 years old - a “round” date - then he moves from “twenty-year-olds” to “thirty-year-olds” or from “thirty-year-olds” to the group of “forty-year-olds,” etc. Thus, this is an anniversary this is a milestone. So why is the meeting of the year 2000 not a milestone, not a transition to a new century?

The objection may seem quite logical. But at the same time, this particular example clearly shows the reason for the widespread confusion.

And it is that a person’s age begins to grow from zero. When we turn 30, 40, 70 years old, this means that another ten years have already been lived, and the next one has arrived. And calendars, as we have already said, start not from zero, but from one (like counting all objects in general). Therefore, if 99 calendar years have passed, then the century is not over yet, because a century is 100 full years.


This is the only way to calculate chronology, which is necessary for any state, any society. The work of industry, transport, trade, financial affairs and many other sectors of life require time measures, accuracy, and order. Chaos and confusion, uncertainty in these matters are unacceptable.

The history of calendars began a long time ago. Many peoples contributed to their development. When measuring time, humanity has identified three most important concepts: era, year, century. Of these, the year and era are the main ones, and the century is a derivative. The modern calendar is based on a year (more precisely, a tropical year), that is, the period of time between two successive passages of the center of the Sun through the vernal equinox. Determining the exact length of the tropical year was very important, and this task turned out to be difficult. It was solved by many outstanding scientists of the world. It was determined that the length of the tropical year is not constant. Very slowly, but it is changing. In our era, for example, it decreases by 0.54 seconds per century. And now it is 365 days, 5 hours 48 minutes 45.9747 seconds.

It was not easy to determine how long the year lasted. But when everything was accurately calculated, we were faced with even greater, one might say, insoluble difficulties.

If there were an integer number of days in a year, no matter how many, then it would be easy to create a simple and convenient calendar. Even if there were halves, quarters, eighths of a day. They can also be folded into a whole day. And here it is 5 hours 48 minutes 46.9747 seconds. There’s no way you can make up a whole day with these “additives.”


It turns out that a year and a day are incommensurable. The remainder of division is an infinite fraction. Therefore, developing simple and convenient systems for counting days in a month and in a year turned out to be not at all an easy task. And although many different calendars have been compiled from ancient times to the present day (ancient Egyptian, Chinese, Babylonian, Vietnamese, Muslim, Jewish, Roman, Greek), none of them can be called sufficiently accurate, convenient, or reliable.

A leap year, that is, consisting of 366 days, does not exist in nature. It was invented based on the fact that the “remainder” of the 365 days of the tropical year - 5 hours 48 minutes and seconds - is very close to 1/4 of a day. In four years, a whole day is accumulated - an extra day in a leap year.

Judging by many sources, the Egyptian Greek Sozigenes was the first to think of this. The leap year was first introduced into the calendar by the Roman Emperor Julius Caesar from January 1, 45 BC.

This calendar became known as the Julian calendar. It firmly entered into life at the beginning of our era and operated for many centuries. Not only the Roman Empire and Byzantium lived according to this calendar (from where it came to Rus' in the 10th century with the adoption of Christianity), but also all the countries of Europe, America, and many states of Africa and Asia.

In the 4th century, it was necessary to make a number of changes to the Julian calendar. Christianity was strengthening, and the church considered it necessary to regulate the dates of religious holidays. A firm correspondence (for the 4th century) of the solar Julian calendar with the lunar Jewish calendar was established. So that the Christian Easter in the 4th century could never coincide with the Jewish one.


In the 6th century, the Roman monk Dionysius the Small conceived the idea of ​​introducing a new Christian era, the beginning of which comes from the Nativity of Christ, and not from the creation of the world, as in the Jewish era, or from any other events, as in various pagan eras.

Dionysius justified the date from the Nativity of Christ. According to his calculations, it fell in the 754th year from the founding of Rome or in the 30th year of the reign of Emperor Augustus.

The era from the Nativity of Christ was firmly established in Western Europe only in the 8th century. In Rus', as in Byzantium, for a long time, several centuries, they continued to count the years from the creation of the world.

Meanwhile, as a result of an inaccurate determination of the duration of the Julian year - 365 days and 6 hours, while in reality the year is 11 minutes and 14 seconds shorter - by the end of the 16th century (after amendments made to the calendar in the 4th century), a difference of 10 days had accumulated . Therefore, the spring equinox, which fell on March 21 in 325, already occurred on March 11. In addition, the holiday of Christian Easter began to approach Jewish Easter. They could get together, which according to church canons is completely unacceptable.

The Catholic Church invited astronomers, who more accurately measured the length of the tropical year and developed changes that needed to be made to the calendar. By decree of Pope Gregory XIII, in 1582, a calendar began to be introduced in Catholic countries, which was called the Gregorian calendar.

The count of days was moved forward 10 days. The day after Thursday, October 4, 1582, was prescribed to be considered Friday, but not October 5, but October 15. The spring equinox returned to March 21st.

In order to avoid such mistakes in the future, it was decided to exclude 3 leap days from the number of leap days every 400 years. So that in 400 years there are not 100 leap years, but 97. To do this, we must not consider as leap years those hundred-year years (years with two zeros at the end), in which the number of hundreds (the first two digits) is not divisible by 4 without a remainder. Thus, years 1700, 1800, 1900 were not leap years. The year 2000 will be a leap year, but 2100 will not.

The length of the year according to the Gregorian calendar is at least a little longer, by 26 seconds, but still longer than the true one. This will lead to an error of one day in only 3280 years.

Already in the 80s of the 16th century, the new chronology was introduced in Italy, Spain, Portugal, Poland, France, Luxembourg, and the Catholic cantons of Switzerland. It was much more difficult for Protestants and Orthodox Christians to accept it.

The use of different calendars, especially in countries that communicate closely, caused a lot of inconvenience, and sometimes just funny cases. For example, England adopted the Gregorian calendar only in 1752. When we read that in Spain in 1616 Cervantes died on April 23, 1616, and in England on April 23, 1616, Shakespeare died, you might think that two of the world's greatest writers died on the same day. In fact, the difference was 10 days. Shakespeare died in Protestant England, which during these years still lived according to the Julian calendar (old style), and Cervantes died in Catholic Spain, where the Gregorian calendar (new style) had already been introduced.

Calendar reforms in Russia proceeded as usual, and often with a great delay compared to Western European countries.

In the 10th century, with the adoption of Christianity, the chronology used by the Romans and Byzantines came to Ancient Rus': the Julian calendar, Roman names of months, a seven-day week. The years were counted from the creation of the world, which, according to church concepts, occurred 5508 years before the birth of Christ. The year began on March 1. At the end of the 15th century, the beginning of the year was moved to September 1.

By decree of December 15, 7208, Peter I introduced Christian chronology in Russia. The day following December 31, 7208 from the creation of the world, was prescribed to be considered the beginning of the new year - January 1, 1700 from the Nativity of Christ.

In issuing this decree, Peter was not afraid of the round date - 1700, which at that time many in Europe were awaiting with fear. With her, once again, after 1000 and 1100 A.D., after 7000 from the creation of the world and other “round” dates, they waited with trepidation for the end of the world and the Judgment of God over all the living and the dead. But these mortally frightening years came and went, and the human world remained the same as it was.

Peter ordered the Russians to solemnly and cheerfully celebrate January 1, 1700, “to congratulate them on the new year and the new century.” This is where he made a mistake and misled the people that the new century supposedly begins with two new numbers and two zeros. This mistake, apparently, has become firmly entrenched in the consciousness of many Russians.

So, Russia switched to the Christian calendar, but the Julian calendar, the old style, remained. Meanwhile, most European countries have lived according to the Gregorian calendar for more than a hundred years. The difference between the old and new styles is: for the 18th century - 11 days, for the 19th century - 12, for the 20th and 21st centuries (in the 21st century - due to the fact that 2000 is considered a leap year) - 13, in the 22nd century it will increase to 14 days.

In Russia, the Gregorian calendar was adopted in 1918 by the first Soviet government not affiliated with the church. An amendment of 13 days was introduced: after January 31, 1918, February 14 came immediately.

Since the mid-twentieth century, the Gregorian calendar has been used by almost all countries of the world.

And although the concept of “century” is introduced in history lessons at school, often not only children, but also adults get confused when it is necessary to correctly determine the beginning and end of this time period.

A little theory

In history, the term “century” usually refers to a period of time lasting 100 years. To understand how to determine what year the 21st century, like any other, began, you need to know one small nuance of the generally accepted chronology. Everyone knows that the time of origin of all events is chronologically divided into two periods: before our era and after. But not everyone knows what date stands at the turn of these two eras.

Have you ever heard of 0 year? Unlikely, because 1 BC. e. ended on December 31, and the next day began a new one, 1 AD. e. That is, 0 year simply did not exist in the generally accepted chronology. Thus, a period of time one century long begins on January 1, 1 year, and ends, accordingly, on December 31, 100. And only the next day, January 1 in the year 101, a new century begins.

Due to the fact that many are unaware of this seemingly insignificant historical feature, there has been confusion for quite some time about when and in what year the 21st century will arrive. Even some TV and radio presenters called for celebrating the New Year 2000 in a special way. After all, this is the beginning of both a new century and a new millennium!

When did the 21st century begin?

Calculating in what year the 21st century began, taking into account all of the above, is not at all difficult.

So, the first day of the 2nd century was January 1, 101, January 3, January 1, 201, January 4, 301, and so on. It's simple. Accordingly, when answering what year the 21st century began, it should be said - in 2001.

When will the 21st century end?

Understanding how the chronology of time is maintained, one can easily say not only what year the 21st century began, but also when it will end.

The end of the century is determined similarly to the beginning: the last day of the 1st century was December 31, 100, 2 - December 31, 200, 3 - December 31, 300, and so on. Finding the answer to the question posed is not so difficult. The last day of the 21st century will be December 31, 2100.

If you want to calculate what year the new millennium starts from, you should follow the same rule. This will avoid mistakes. Thus, the third millennium according to the Gregorian calendar, adopted by the vast majority of world states, began on January 1, 2001, simultaneously with the beginning of the 21st century.

Where did the general misconception come from?

In Russia, the chronology adopted today was introduced by the decree of Peter I. And before that, the count was carried out from the creation of the world. And after the adoption of the Christian chronology, instead of 7209, the year 1700 came. People of the past were also afraid of round dates. Along with the new calendar, a decree was issued on the cheerful and solemn celebration of the new year and the new century.

In addition, we should not forget that with the adoption of Christian timekeeping in Russia, the calendar remained Julian. Because of this, for all historical events before the transition to the Gregorian calendar (1918), two dates are determined: according to the old style and according to the new style. And due to the different lengths of the year adopted in each of the two types of calendars, a difference of several days appeared. And therefore, in 1918, with the introduction of the Gregorian calendar, after January 31, February 14 came.

Information- about the date of the beginning of the 21st century.

The beginning of the 21st century (c) Mike Roschin 2:5030/243@Fidonet ABOUT THE DATE OF THE BEGINNING OF THE 21ST CENTURY Reader, hello! Below is an explanation (or proof - whatever you want) why the beginning of the 21st century should be considered January 1, 2001 (two thousand and FIRST). Who is this text intended for: people who for some reason are groundlessly confident that the 21st century (as well as the 3rd millennium) begins on 01/01/2000. When I got tired of carrying out this explanation on a personal basis, I put it in a separate document. IMHO any mentally healthy person, having CAREFULLY read the following, will be able to finally understand this issue. The exception is people with excessively painful pride, who simply will not delve into the meaning of what is written. 1. About calendar dates and ages. A date is a means of indicating the days, months and years that have passed since some generally recognized moment. Well, no questions will arise here, I hope :) The date in our country is written in the form... For example, 01/14/1905 is January 14th of one thousand nine hundred and five. Pay attention to the declination of numbers. Not “one thousand nine hundred and five years,” but precisely “one thousand nine hundred and five.” This date does not mean that 1905 years have passed since the beginning of the countdown. No. This date LITERALLY says that 1904 has passed since the beginning of the countdown, and now 1905 is coming (but has not yet ended) - the current year, that it is January of this 1905 - January is also not over yet and that the 14th day is now stretching this very January. And 13 full days have passed since the beginning of the countdown in 1904 (the 14th day has not yet passed). I ask you, sir (lady?), to carefully read the paragraph above again. Do you not understand why this is so? Look further, everything will be clear. Let us consider the very moment of hypothetical birth from which it is customary to calculate the days and years of the New Era. For greater convenience, you can imagine a drawing ruler. The ruler begins with the number 0 - that is, the beginning of the countdown, but immediately after mark 0 the very first centimeter of the ruler begins and it lasts until mark 1, after which the second centimeter begins. Same with dates. The very first day in the morning after Christ was the first day of the first month of the first year of the new era. And despite the fact that the “age” of Christ was actually equal to zero, the _first_ day began. _First_ month. _First_ year. In common format this is written as 01.01.0001. Today, now we have November 26, 1999, November 26, 1999, which means that 1998 years, 10 months and 25 days have passed since the countdown. And one thousand nine hundred and ninety-nine years will pass from the moment of counting when the current year 1999 ends, that is, at the end of 31. 12.1999 - that is, at the beginning (or onset) of the year 2000. I hope that all of the above is clear? Great, we sorted out the dates. 2. Centuries and millennia. When does the new century begin? Any new age at all? The new age begins when the old age ends. More precisely, when the last day of the last month of the last year of the old century ends. Of course, the third millennium will begin when two thousand years have completely passed since the countdown, that is, when the year two thousand ends, that is, on the last day of this year 2000. And the last day of the year 2000 will be December 31st, that is, in fact, at the beginning of the year 2001. Thus, the new 21st century and the new 3rd millennium will begin on the night of January 1, 2001. This is exactly what needed to be proven. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Reader, if you want to object to me, then you’d better try - strike at least one argument in the chain of evidence, and I’ve already said everything. Dixi. FAQ Q. GU (voice of the stubborn) - this is like a rut, because in the first year of our era Christ was one year old! A. Oh, how I love such nonsense thoughts! Man, why are you talking nonsense? For your information, this very first year actually has a duration of 365 days. Do you want to specifically point your finger at one of these days and say that it was on such and such a date in the first year that Christ had his birthday and he turned one year old? Go higher up there and read more carefully, if you don’t know how to count. Q. Some bullshit - why do you have the age of Christ one year less than the date? A. You definitely don’t know how to read. Do you have children? When they do, then you will firmly understand that if a child is 3 months and 5 days old, then his age is 0 years, 3 months and 5 days, and he is on the 6th day of the 4th month of the 1st year. Got it? No? When a child is less than a year old, they say that “he has entered his first year.” If you still don’t understand this, the complaint is not against me, sorry. Q. Somehow it’s still not correct. It should be in 2000, not 2001. A. I personally don’t care when you celebrate the 21st century. I explained. For those who don't understand, it's not my fault. 26.11.1999 Happy New Year's greetings/Mikhail Roshchin (White Thesis), Fidonet 2:5030/243

Education

When did the 21st century begin: 2000 or 2001?

November 14, 2017

And although the concept of “century” is introduced in history lessons at school, often not only children, but also adults get confused when it is necessary to correctly determine the beginning and end of this time period.

A little theory

In history, the term “century” usually refers to a period of time lasting 100 years. To understand how to determine what year the 21st century, like any other, began, you need to know one small nuance of the generally accepted chronology. Everyone knows that the time of origin of all events is chronologically divided into two periods: before our era and after. But not everyone knows what date stands at the turn of these two eras.

Have you ever heard of 0 year? Unlikely, because 1 BC. e. ended on December 31, and the next day began a new one, 1 AD. e. That is, 0 year simply did not exist in the generally accepted chronology. Thus, a period of time one century long begins on January 1, 1 year, and ends, accordingly, on December 31, 100. And only the next day, January 1 in the year 101, a new century begins.

Due to the fact that many are unaware of this seemingly insignificant historical feature, there has been confusion for quite some time about when and in what year the 21st century will arrive. Even some TV and radio presenters called for celebrating the New Year 2000 in a special way. After all, this is the beginning of both a new century and a new millennium!

When did the 21st century begin?

Calculating in what year the 21st century began, taking into account all of the above, is not at all difficult.

So, the first day of the 2nd century was January 1, 101, January 3, January 1, 201, January 4, 301, and so on. It's simple. Accordingly, when answering what year the 21st century began, it should be said - in 2001.

When will the 21st century end?

Understanding how the chronology of time is maintained, one can easily say not only what year the 21st century began, but also when it will end.

The end of the century is determined similarly to the beginning: the last day of the 1st century was December 31, 100, 2 - December 31, 200, 3 - December 31, 300, and so on. Finding the answer to the question posed is not so difficult. The last day of the 21st century will be December 31, 2100.

If you want to calculate what year the new millennium starts from, you should follow the same rule. This will avoid mistakes. Thus, the third millennium according to the Gregorian calendar, adopted by the vast majority of world states, began on January 1, 2001, simultaneously with the beginning of the 21st century.

Where did the general misconception come from?

In Russia, the chronology adopted today was introduced by the decree of Peter I. And before that, the count was carried out from the creation of the world. And after the adoption of the Christian chronology, instead of 7209, the year 1700 came. People of the past were also afraid of round dates. Along with the new calendar, a decree was issued on the cheerful and solemn celebration of the new year and the new century.

In addition, we should not forget that with the adoption of Christian timekeeping in Russia, the calendar remained Julian. Because of this, for all historical events before the transition to the Gregorian calendar (1918), two dates are determined: according to the old style and according to the new style. And due to the different lengths of the year adopted in each of the two types of calendars, a difference of several days appeared. And therefore, in 1918, with the introduction of the Gregorian calendar, after January 31, February 14 came.

Source: fb.ru

Current

Miscellaneous
Miscellaneous