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The question of the age of the earth has produced heated discussions on Internet debate boards, TV, radio, in classrooms, and in many churches, Christian colleges, and seminaries. The primary sides are

   * Young-earth proponents (biblical age of the earth and universe of about 6,000 years)1
   * Old-earth proponents (secular age of the earth of about 4.5 billion years and a universe about 14 billion years old)2

The difference is immense! Let’s give a little history of where these two basic calculations came from and which worldview is more reasonable. Where Did a Young-earth Worldview Come From?

Simply put, it came from the Bible. Of course, the Bible doesn’t say explicitly anywhere, “The earth is 6,000 years old.” Good thing it doesn’t; otherwise it would be out of date the following year. But we wouldn’t expect an all-knowing God to make that kind of a mistake.

God gave us something better. In essence, He gave us a “birth certificate.” For example, using a personal birth certificate, a person can calculate how old he is at any point. It is similar with the earth. Genesis 1 says that the earth was created on the first day of creation (Genesis 1:1–5). From there, we can begin to calculate the age of the earth.

Let’s do a rough calculation to show how this works. The age of the earth can be estimated by taking the first five days of creation (from earth’s creation to Adam), then following the genealogies from Adam to Abraham in Genesis 5 and 11, then adding in the time from Abraham to today.

Adam was created on day 6, so there were five days before him. If we add up the dates from Adam to Abraham, we get about 2,000 years, using the Masoretic Hebrew text of Genesis 5 and 11.3 Whether Christian or secular, most scholars would agree that Abraham lived about 2,000 B.C. (4,000 years ago).

So a simple calculation is:

5 days + ~2,000 years + ~4,000 years

~6,000 years

At this point, the first five days are negligible. Quite a few people have done this calculation using the Masoretic text (which is what most English translations are based on) and with careful attention to the biblical details, they have arrived at the same time frame of about 6,000 years, or about 4000 B.C. Two of the most popular, and perhaps best, are a recent work by Dr. Floyd Jones4 and a much earlier book by Archbishop James Ussher5 (1581–1656). See table 1.

Table 1. Jones and Ussher Name Age Calculated Reference and Date Archbishop James Ussher 4004 B.C. The Annals of the World, A.D. 1658 Dr. Floyd Nolan Jones 4004 B.C. The Chronology of the Old Testament, A.D. 1993

The misconception exists that Ussher and Jones were the only ones to arrive at a date of 4000 B.C.; however, this is not the case at all. Jones6 lists several chronologists who have undertaken the task of calculating the age of the earth based on the Bible, and their calculations range from 5501 to 3836 B.C. A few are listed in table 2.

Table 2. Chronologists’ Calculations According to Dr. Jones

 	Chronologist 	When Calculated? 	Date B.C.

1 Julius Africanus c. 240 5501 2 George Syncellus c. 810 5492 3 John Jackson 1752 5426 4 Dr William Hales c. 1830 5411 5 Eusebius c. 330 5199 6 Marianus Scotus c. 1070 4192 7 L. Condomanus n/a 4141 8 Thomas Lydiat c. 1600 4103 9 M. Michael Maestlinus c. 1600 4079 10 J. Ricciolus n/a 4062 11 Jacob Salianus c. 1600 4053 12 H. Spondanus c. 1600 4051 13 Martin Anstey 1913 4042 14 W. Lange n/a 4041 15 E. Reinholt n/a 4021 16 J. Cappellus c. 1600 4005 17 E. Greswell 1830 4004 18 E. Faulstich 1986 4001 19 D. Petavius c. 1627 3983 20 Frank Klassen 1975 3975 21 Becke n/a 3974 22 Krentzeim n/a 3971 23 W. Dolen 2003 3971 24 E. Reusnerus n/a 3970 25 J. Claverius n/a 3968 26 C. Longomontanus c. 1600 3966 27 P. Melanchthon c. 1550 3964 28 J. Haynlinus n/a 3963 29 A. Salmeron d. 1585 3958 30 J. Scaliger d. 1609 3949 31 M. Beroaldus c. 1575 3927 32 A. Helwigius c. 1630 3836

As you will likely note from table 2, the dates are not all 4004 B.C. There are several reasons chronologists have different dates,7 but two primary reasons:

1. Some used the Septuagint or another early translation instead of the Hebrew Masoretic text. The Septuagint is a Greek translation of the Hebrew Old Testament, done about 250 B.C. by about 70 Jewish scholars (hence it is often cited as the LXX, which is the Roman numeral for 70). It is good in most places, but appears to have a number of inaccuracies. For example, one relates to the Genesis chronologies where the LXX indicates that Methuselah would have lived past the Flood, without being on the ark! 2. Several points in the biblical time-line are not straightforward to calculate. They require very careful study of more than one passage. These include exactly how much time the Israelites were in Egypt and what Terah’s age was when Abraham was born. (See Jones’s and Ussher’s books for a detailed discussion of these difficulties.)

The first four in table 2 (bolded) are calculated from the Septuagint, which gives ages for the patriarchs’ firstborn much higher than the Masoretic text or the Samarian Pentateuch (a version of the Old Testament from the Jews in Samaria just before Christ). Because of this, the Septuagint adds in extra time. Though the Samarian and Masoretic texts are much closer, they still have a few differences. See table 3.8

Using data from table 2 (excluding the Septuagint calculations and including Jones and Ussher), the average date of the creation of the earth is 4045 B.C. This still yields an average of about 6,000 years for the age of the earth. Extra-biblical Calculations for the Age of the Earth

Cultures throughout the world have kept track of history as well. From a biblical perspective, we would expect the dates given for creation of the earth to align more closely to the biblical date than billions of years.

This is expected since everyone was descended from Noah and scattered from the Tower of Babel. Another expectation is that there should be some discrepancies about the age of the earth among people as they scattered throughout the world, taking their uninspired records or oral history to different parts of the globe.

Table 3. Septuagint, Masoretic, and Samarian Early Patriarchal Ages at the Birth of the Following Son Name Masoretic Samarian Pentateuch Septuagint Adam 130 130 230 Seth 105 105 205 Enosh 90 90 190 Cainan 70 70 170 Mahalaleel 65 65 165 Jared 162 62 162 Enoch 65 65 165 Methuselah 187 67 167 Lamech 182 53 188 Noah 500 500 500

Under the entry “creation,” Young’s Analytical Concordance of the Bible9 lists William Hales’s accumulation of dates of creation from many cultures, and in most cases Hales says which authority gave the date. See table 4.

Historian Bill Cooper’s research in After the Flood provides intriguing dates from several ancient cultures.10 The first is that of the Anglo-Saxons, whose history has 5,200 years from creation to Christ, according to the Laud and Parker Chronicles. Cooper’s research also indicated that Nennius’s record of the ancient British history has 5,228 years from creation to Christ. The Irish chronology has a date of about 4000 B.C. for creation, which is surprisingly close to Ussher and Jones! Even the Mayans had a date for the Flood of 3113 B.C.

This meticulous work of many historians should not be ignored. Their dates of only thousands of years are good support for the biblical date of about 6,000 years, but not for billions of years. The Origin of the Old-earth Worldview

Prior to the 1700s, few believed in an old earth. The approximate 6,000-year age for the earth was challenged only rather recently, beginning in the late 18th century. These opponents of the biblical chronology essentially left God out of the picture. Three of the old-earth advocates included Comte de Buffon, who thought the earth was at least 75,000 years old. Pièrre LaPlace imagined an indefinite but very long history. And Jean Lamarck also proposed long ages.11

Table 4. Selected Dates for the Age of the Earth by Various Cultures Culture Age, B.C. Authority listed by Hales Spain by Alfonso X 6984 Muller Spain by Alfonso X 6484 Strauchius India 6204 Gentil India 6174 Arab records Babylon 6158 Bailly Chinese 6157 Bailly Greece by Diogenes Laertius 6138 Playfair Egypt 6081 Bailly Persia 5507 Bailly Israel/Judea by Josephus 5555 Playfair Israel/Judea by Josephus 5481 Jackson Israel/Judea by Josephus 5402 Hales Israel/Judea by Josephus 4698 University history India 5369 Megasthenes Babylon (Talmud) 5344 Petrus Alliacens Vatican (Catholic using the Septuagint) 5270 N/A Samaria 4427 Scaliger German, Holy Roman Empire by Johannes Kepler* 3993 Playfair German, reformer by Martin Luther* 3961 N/A Israel/Judea by computation 3760 Strauchius Israel/Judea by Rabbi Lipman* 3616 University history

  • Luther, Kepler, Lipman, and the Jewish computation likely used biblical texts to determine the date.

However, the idea of millions of years really took hold in geology when men like Abraham Werner, James Hutton, William Smith, Georges Cuvier, and Charles Lyell used their interpretations of geology as the standard, rather than the Bible. Werner estimated the age of the earth at about one million years. Smith and Cuvier believed untold ages were needed for the formation of rock layers. Hutton said he could see no geological evidence of a beginning of the earth; and building on Hutton’s thinking, Lyell advocated “millions of years.”

From these men and others came the consensus view that the geologic layers were laid down slowly over long periods of time based on the rates at which we see them accumulating today. Hutton said:

"The past history of our globe must be explained by what can be seen to be happening now. . . . No powers are to be employed that are not natural to the globe, no action to be admitted except those of which we know the principle."

This viewpoint is called naturalistic uniformitarianism, and it excludes any major catastrophes such as Noah’s flood. Though some, such as Cuvier and Smith, believed in multiple catastrophes separated by long periods of time, the uniformitarian concept became the ruling dogma in geology. God's Word is Truth

Thinking biblically, we can see that the global flood in Genesis 6–8 would wipe away the concept of millions of years, for this Flood would explain massive amounts of fossil layers. Most Christians fail to realize that a global flood could rip up many of the previous rock layers and redeposit them elsewhere, destroying the previous fragile contents. This would destroy any evidence of alleged millions of years anyway. So the rock layers can theoretically represent the evidence of either millions of years or a global flood, but not both. Sadly, by about 1840, even most of the Church had accepted the dogmatic claims of the secular geologists and rejected the global flood and the biblical age of the earth.

After Lyell, in 1899, Lord Kelvin (William Thomson) calculated the age of the earth, based on the cooling rate of a molten sphere, at a maximum of about 20–40 million years (this was revised from his earlier calculation of 100 million years in 1862).13 With the development of radiometric dating in the early 20th century, the age of the earth expanded radically. In 1913, Arthur Holmes’s book, The Age of the Earth, gave an age of 1.6 billion years.14 Since then, the supposed age of the earth has expanded to its present estimate of about 4.5 billion years (and about 14 billion years for the universe).

Table 5. Summary of the Old-earth Proponents for Long Ages Who? Age of the Earth When Was This? Comte de Buffon 78 thousand years old 1779 Abraham Werner 1 million years 1786 James Hutton Perhaps eternal, long ages 1795 Pièrre LaPlace Long ages 1796 Jean Lamarck Long ages 1809 William Smith Long ages 1835 Georges Cuvier Long ages 1812 Charles Lyell Millions of years 1830–1833 Lord Kelvin 20–100 million years 1862–1899 Arthur Holmes 1.6 billion years 1913 Claire Patterson 4.5 billion years 1956

But there is growing scientific evidence that radiometric dating methods are completely unreliable.15

Christians who have felt compelled to accept the millions of years as fact and try to fit them into the Bible need to become aware of this evidence. It confirms that the Bible’s history is giving us the true age of the creation.

Today, secular geologists will allow some catastrophic events into their thinking as an explanation for what they see in the rocks. But uniformitarian thinking is still widespread, and secular geologists will seemingly never entertain the idea of the global, catastrophic flood of Noah’s day.

The age of the earth debate ultimately comes down to this foundational question: Are we trusting man’s imperfect and changing ideas and assumptions about the past? Or are we trusting God’s perfectly accurate eyewitness account of the past, including the creation of the world, Noah’s global flood, and the age of the earth? Other Uniformitarian Methods for Dating the Age of the Earth

Radiometric dating was the culminating factor that led to the belief in billions of years for earth history. However, radiometric dating methods are not the only uniformitarian methods. Any radiometric dating model or other uniformitarian dating method can and does have problems, as referenced before. All uniformitarian dating methods require assumptions for extrapolating present-day processes back into the past. The assumptions related to radiometric dating can be seen in these questions:

   * Initial amounts?
   * Was any parent amount added?
   * Was any daughter amount added?
   * Was any parent amount removed?
   * Was any daughter amount removed?
   * Has the rate of decay changed?

If the assumptions are truly accurate, then uniformitarian dates should agree with radiometric dating across the board for the same event. However, radiometric dates often disagree with one another and with dates obtained from other uniformitarian dating methods for the age of the earth, such as the influx of salts into the ocean, the rate of decay of the earth’s magnetic field, and the growth rate of human population.16

The late Dr. Henry Morris compiled a list of 68 uniformitarian estimates for the age of the earth by Christian and secular sources.17 The current accepted age of the earth is about 4.54 billion years based on radiometric dating of a group of meteorites,18 so keep this in mind when viewing table 6.

Table 6. Uniformitarian Estimates Other than Radiometric Dating Estimates for Earth’s Age Compiled by Morris

 	0 – 10,000 years 	>10,000 – 100,000 years 	>100,000 – 1 million years 	>1 million – 500 million years 	>500 million – 4 billion years 	>4 billion – 5 billion years

Number of uniformitarian methods* 23 10 11 23 0 0

  • When a range of ages is given, the maximum age was used to be generous to the evolutionists. In one case, the date was uncertain so it was not used in this tally, so the total estimates used were 67. A few on the list had reference to Saturn, the sun, etc., but since biblically the earth is older than these, dates related to them were used.

As you can see from table 6, uniformitarian maximum ages for the earth obtained from other methods are nowhere near the 4.5 billion years estimated by radiometric dating; of the other methods, only two calculated dates were as much as 500 million years.

The results from some radiometric dating methods completely undermine those from the other radiometric methods. One such example is carbon-14 (14C) dating. As long as an organism is alive, it takes in 14C and 12C from the atmosphere; however, when it dies, the carbon intake stops. Since 14C is radioactive (decays into 14N), the amount of 14C in a dead organism gets less and less over time. Carbon-14 dates are determined from the measured ratio of radioactive carbon-14 to normal carbon-12 (14C/12C). Used on samples that were once alive, such as wood or bone, the measured 14C/12C ratio is compared with the ratio in living things today.

Now, 14C has a derived half-life of 5,730 years, so the 14C in organic material supposedly 100,000 years old should all essentially have decayed into nitrogen.19 Some things, such as wood trapped in lava flows, said to be millions of years old by other radiometric dating methods, still have 14C in them.20 If the items were really millions of years old, then they shouldn’t have any traces of 14C. Coal and diamonds, which are found in or sandwiched between rock layers allegedly millions of years old, have been shown to have 14C ages of only tens of thousands of years.21 So which date, if any, is correct? The diamonds or coal can’t be millions of years old if they have any traces of 14C still in them. This shows that these dating methods are completely unreliable and indicates that the presumed assumptions in the methods are erroneous.

Similar kinds of problems are seen in the case of potassium-argon dating, which has been considered one of the most reliable methods. Dr. Andrew Snelling, a geologist, points out several of these problems with potassium-argon, as seen in table 7.22

These and other examples raise a critical question. If radiometric dating fails to give an accurate date on something of which we do know the true age, then how can it be trusted to give us the correct age for rocks that had no human observers to record when they formed? If the methods don’t work on rocks of known age, it is most unreasonable to trust that they work on rocks of unknown age. It is far more rational to trust the Word of the God who created the world, knows its history perfectly, and has revealed sufficient information in the Bible for us to understand that history and the age of the creation.

Table 7. Potassium-argon (K-Ar) Dates in Error Volcanic eruption When the rock formed Date by (K-Ar) radiometric dating Mt. Etna basalt, Sicily 122 B.C. 170,000–330,000 years old Mt. Etna basalt, Sicily A.D. 1972 210,000–490,000 years old Mount St. Helens, Washington A.D. 1986 Up to 2.8 million years old Hualalai basalt, Hawaii A.D. 1800–1801 1.32–1.76 million years old Mt. Ngauruhoe, New Zealand A.D. 1954 Up to 3.5 million years old Kilauea Iki basalt, Hawaii A.D. 1959 1.7–15.3 million years old Conclusion

When we start our thinking with God’s Word, we see that the world is about 6,000 years old. When we rely on man’s fallible (and often demonstrably false) dating methods, we can get a confusing range of ages from a few thousand to billions of years, though the vast majority of methods do not give dates even close to billions.

Cultures around the world give an age of the earth that confirms what the Bible teaches. Radiometric dates, on the other hand, have been shown to be wildly in error.

The age of the earth ultimately comes down to a matter of trust—it’s a worldview issue. Will you trust what an all-knowing God says on the subject or will you trust imperfect man’s assumptions and imaginations about the past that regularly are changing?

Thus says the Lord: “Heaven is My throne, and earth is My footstool. Where is the house that you will build Me? And where is the place of My rest? For all those things My hand has made, and all those things exist,” says the Lord. “But on this one will I look: On him who is poor and of a contrite spirit, and who trembles at My word” (Isaiah 66:1–2).