Missing years (Hebrew calendar)
Encyclopedia
The missing years in the Hebrew calendar
Hebrew calendar
The Hebrew calendar , or Jewish calendar, is a lunisolar calendar used today predominantly for Jewish religious observances. It determines the dates for Jewish holidays and the appropriate public reading of Torah portions, yahrzeits , and daily Psalm reading, among many ceremonial uses...

 refer to a discrepancy of some 165 years between the traditional Hebrew dating for the destruction of the First Temple and the modern secular dating for it (586 BCE) that results if its traditional date 3338 AM (Anno Mundi
Anno Mundi
' , abbreviated as AM or A.M., refers to a Calendar era based on the Biblical creation of the world. Numerous efforts have been made to determine the Biblical date of Creation, yielding varying results. Besides differences in interpretation, which version of the Bible is being referenced also...

) is interpreted according to the standard Hebrew calendar.

Since about the 3rd century CE, the Jewish calendar has used the Anno Mundi
Anno Mundi
' , abbreviated as AM or A.M., refers to a Calendar era based on the Biblical creation of the world. Numerous efforts have been made to determine the Biblical date of Creation, yielding varying results. Besides differences in interpretation, which version of the Bible is being referenced also...

 epoch
Epoch (reference date)
In the fields of chronology and periodization, an epoch is an instance in time chosen as the origin of a particular era. The "epoch" then serves as a reference point from which time is measured...

 (Latin
Latin
Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

 for “in the year of the world,” abbreviated AM or A.M.; Hebrew ), sometimes referred to as the “Hebrew era.” According to Rabbinic reckoning, the beginning of “year 1” is not Creation
Creation according to Genesis
The Genesis creation narrative describes the divine creation of the world including the first man and woman...

, but about one year before Creation, with the new moon of its first month (Tishrei) to be called molad tohu (the mean new moon of chaos or nothing).

The Jewish calendar's epoch (reference date), 1 Tishrei 1 AM, is equivalent to Monday, 7 October 3761 BCE in the proleptic Julian calendar
Proleptic Julian calendar
The proleptic Julian calendar is produced by extending the Julian calendar to dates preceding AD 4 when its quadrennial leap year stabilized. The leap years actually observed between its official implementation in 45 BC and AD 4 were erratic, see the Julian calendar article for details.A calendar...

, the equivalent tabular date (same daylight period) and is about one year before the traditional Jewish date of Creation
Dating Creation
Cultures throughout history have attempted to date the beginning of the the world in the past, so methods of dating Creation have involved analysing scriptures or ancient texts.-Ancient creation dates:...

 on 25 Elul AM 1, based upon the Seder Olam Rabbah
Seder Olam Rabbah
Seder Olam Rabbah is a 2nd century CE Hebrew language chronology detailing the dates of biblical events from the Creation to Alexander the Great's conquest of Persia...

of Rabbi Yossi ben Halafta, a 2nd century CE sage. Thus, adding 3760 before Rosh Hashanah
Rosh Hashanah
Rosh Hashanah , , is the Jewish New Year. It is the first of the High Holy Days or Yamim Nora'im which occur in the autumn...

 or 3761 after to a Julian or Gregorian year number after 1 CE will yield the Hebrew year. For earlier years there may be a discrepancy.

Differences between the standard Hebrew and Gregorian calendars

The traditional dates of events in Jewish history are often expressed in relation to the Gregorian calendar
Gregorian calendar
The Gregorian calendar, also known as the Western calendar, or Christian calendar, is the internationally accepted civil calendar. It was introduced by Pope Gregory XIII, after whom the calendar was named, by a decree signed on 24 February 1582, a papal bull known by its opening words Inter...

. For example, the traditional Jewish date for the destruction of the First Temple
Solomon's Temple
Solomon's Temple, also known as the First Temple, was the main temple in ancient Jerusalem, on the Temple Mount , before its destruction by Nebuchadnezzar II after the Siege of Jerusalem of 587 BCE....

 (3338 AM = 423 BCE) differs from the modern scientific date, which is usually expressed using the Gregorian calendar as 586 BCE. Implicit in this practice is the view that if all the differences in structure between the Hebrew and Gregorian calendars are taken into consideration, the two dates can be derived from each other. This is not the case. If the traditional dates of events before the Second Temple era are assumed to be using the standard Hebrew calendar, they refer to different objective years than those of the secular dates. The discrepancy is some 165 years.

The conflict does not necessarily imply that either the traditional dates or the secular dates must be objectively wrong. It is possible that the traditional dates did not use a consistent calendar matching the year count of the standard Hebrew calendar. It could be that one or more substantial calendar shifts have occurred, or the years counted might in certain periods have differed from astronomical years. Taking into account the possibility of a changing structure of the Hebrew calendar, theoretically, both the traditional dates and those of secular scholars could be correct. Even so, the account of history in the traditional sourcebook Seder Olam Rabba, and in particular its description of the period of Persian domination, seems to be irrevocably at odds with modern scientific understanding.

Furthermore, the modern Hebrew calendar cannot be used to calculate Biblical
Bible
The Bible refers to any one of the collections of the primary religious texts of Judaism and Christianity. There is no common version of the Bible, as the individual books , their contents and their order vary among denominations...

 dates because new moon dates may be in error by ±2 days and months may be in error by ±2 months. The latter accounts for the irregular intercalation (adding of extra months) that was performed in three successive years in the early 2nd century, according to the Talmud
Talmud
The Talmud is a central text of mainstream Judaism. It takes the form of a record of rabbinic discussions pertaining to Jewish law, ethics, philosophy, customs and history....

.

Two-year difference within the Hebrew calendar

Today, Hebrew dating places the creation of the world near the end of "Year One" AM and afterwards the first year of Adam's life as "Year Two" AM. However, Seder Olam Rabba shows that the Hebrew dating originally counted the first year of Adam's life as "Year Zero" AM. This may mean that the Hebrew dating has shifted in the course of history such that traditional dating of ancient events appears two years earlier than the modern Hebrew dating would be (Edgar Frank, Talmudic and Rabbinic Chronology, 1956). Alternatively, it could be that there was no calendar shift, or a shift of only one year, as the discrepancies regarding Adam's year of creation (he was not born) may only, or partially, reflect different views of the process of Creation.

Rabbinic tradition says that the First Temple was destroyed in "year 3338" AM and the Second Temple in "year 3828" AM. If there was no calendar shift, the Common Era equivalents would be 423 BCE and 68 CE, respectively. If there was a calendar shift, the destructions would have taken place in our years 3339 and 3829 AM, or in 3340 and 3830 AM, and the Common Era equivalents would be 422 BCE and 69 CE, respectively, or 421 BCE and 70 CE.

If there was no calendar shift, the length of the missing-years period would be 163 years (586 minus 423). If there was a calendar shift, the length of the missing-years period would be 164 or 165 years.

The missing years and Daniel

A popular explanation for the missing years suggests that the Jewish sages interpreted the prophecy in as meaning that there would be 490 years from the destruction of the First Temple to the destruction of the Second Temple
Second Temple
The Jewish Second Temple was an important shrine which stood on the Temple Mount in Jerusalem between 516 BCE and 70 CE. It replaced the First Temple which was destroyed in 586 BCE, when the Jewish nation was exiled to Babylon...

 and, working backwards from the destruction of the Second Temple
Second Temple
The Jewish Second Temple was an important shrine which stood on the Temple Mount in Jerusalem between 516 BCE and 70 CE. It replaced the First Temple which was destroyed in 586 BCE, when the Jewish nation was exiled to Babylon...

 (in 3828 AM), wrongly dated the destruction of the First Temple (in 3338 AM).

A variation on this argument states that the Jews deliberately altered the dating so that the true date of the "anointed one" (Mosiach) mentioned in would be hidden. Other apologists have countered with claims that the dating was indeed altered for one or another reason and should be understood as fable, not history.

These explanations come from the ambiguous meaning of the word 'week' in Hebrew, which means 'a heptad', or a group of seven. The Hebrew word for 'week' is used to refer to periods of seven days as well as seven years. The understanding of this number as referring to 490 years can also be found in Seder Olam. Christians also interpreted these verses as years and connect them to Jesus, although Rashi's interpretation is such that it upholds the tradition that the anointed one in question is the Persian king Cyrus. See Prophecy of Seventy Weeks
Prophecy of Seventy Weeks
The Prophecy of Seventy Septets appears in the angel Gabriel's reply to Daniel, beginning with verse 22 and ending with verse 27 in the ninth chapter of the Book of Daniel, a work included in both the Jewish Tanakh and the Christian Bible; as well as the Septuagint...

.

Mistakes in the Hebrew or secular dating

If traditional dates are assumed to be based on the standard Hebrew calendar, then the differing traditional and modern secular dating of events cannot both be correct. Attempts to reconcile the two systems must show one or both to have errors.

Missing reign lengths in the Hebrew dating

The modern secular dating of the Babylonian and Persian periods are reconstructed using the following sources:
  • Greek sources: The historians Herodotus
    Herodotus
    Herodotus was an ancient Greek historian who was born in Halicarnassus, Caria and lived in the 5th century BC . He has been called the "Father of History", and was the first historian known to collect his materials systematically, test their accuracy to a certain extent and arrange them in a...

    , Ctesias
    Ctesias
    Ctesias of Cnidus was a Greek physician and historian from Cnidus in Caria. Ctesias, who lived in the 5th century BC, was physician to Artaxerxes Mnemon, whom he accompanied in 401 BC on his expedition against his brother Cyrus the Younger....

    , Thucydides
    Thucydides
    Thucydides was a Greek historian and author from Alimos. His History of the Peloponnesian War recounts the 5th century BC war between Sparta and Athens to the year 411 BC...

    , Xenophon
    Xenophon
    Xenophon , son of Gryllus, of the deme Erchia of Athens, also known as Xenophon of Athens, was a Greek historian, soldier, mercenary, philosopher and a contemporary and admirer of Socrates...

    , Dinon
    Dinon
    Dinon or Deinon of Colophon was a Greek historian and chronicler, the author of a history of Persia, the Persica , many fragments of which survive. The Suda mistakenly attributes this work to Dio Cassius...

     and Diodorus Siculus
    Diodorus Siculus
    Diodorus Siculus was a Greek historian who flourished between 60 and 30 BC. According to Diodorus' own work, he was born at Agyrium in Sicily . With one exception, antiquity affords no further information about Diodorus' life and doings beyond what is to be found in his own work, Bibliotheca...

     as well as the philosopher Aristotle
    Aristotle
    Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

    , the playwright Aeschylus
    Aeschylus
    Aeschylus was the first of the three ancient Greek tragedians whose work has survived, the others being Sophocles and Euripides, and is often described as the father of tragedy. His name derives from the Greek word aiskhos , meaning "shame"...

     and the Egyptian priest Manetho
    Manetho
    Manetho was an Egyptian historian and priest from Sebennytos who lived during the Ptolemaic era, approximately during the 3rd century BC. Manetho wrote the Aegyptiaca...

    .
  • The Royal Canon of the astronomer Claudius Ptolemy, which provides astronomically tabulated dates of the kings of the period.
  • Persian sources, including king lists like the Saros Canon, as well as other inscriptions such as the Behistun inscription
    Behistun Inscription
    The Behistun Inscription The Behistun Inscription The Behistun Inscription (also Bistun or Bisutun, Modern Persian: بیستون The Behistun Inscription (also Bistun or Bisutun, Modern Persian: بیستون...

     or the Cyrus Cylinder
    Cyrus cylinder
    The Cyrus Cylinder is an ancient clay cylinder, now broken into several fragments, on which is written a declaration in Akkadian cuneiform script in the name of the Achaemenid king Cyrus the Great. It dates from the 6th century BC and was discovered in the ruins of Babylon in Mesopotamia in 1879...

    , and administrative records as the Persepolis Fortification Tablets, and the Persepolis Treasury Tablets.
  • Babylonian sources such as astronomical records recording eclipse
    Eclipse
    An eclipse is an astronomical event that occurs when an astronomical object is temporarily obscured, either by passing into the shadow of another body or by having another body pass between it and the viewer...

    s, temple inscriptions and various royal documents including the Nabonidus Chronicle
    Nabonidus Chronicle
    The Nabonidus Chronicle is an ancient Babylonian text, part of a larger series of Babylonian Chronicles incribed in cuneiform script on clay tablets...

    , as well as business documents as the Marashu Archive.


Secular scholars see the discrepancy between the traditional and secular date of the destruction of the First Temple arising as a result of Jewish sages missing out the reign lengths of several Persian kings during the Persian Empire's rule over Israel
Land of Israel
The Land of Israel is the Biblical name for the territory roughly corresponding to the area encompassed by the Southern Levant, also known as Canaan and Palestine, Promised Land and Holy Land. The belief that the area is a God-given homeland of the Jewish people is based on the narrative of the...

. Modern secular scholars tally ten Persian kings whose combined reigns total 208 years. By contrast, ancient Jewish sages only mention four Persian kings totaling 52 years. The reigns of several Persian kings appear to be missing from the traditional calculations.

Missing years in Jewish tradition

R' Azariah dei Rossi
Azariah dei Rossi
Azariah ben Moses dei Rossi was an Italian-Jewish physician and scholar. He was born at Mantua in 1513 or 1514; and died in 1578. He was descended from an old Jewish family which, according to a tradition, was brought by Titus from Jerusalem...

, in Me'or Einayim (c. 1573), was likely the first Jewish authority to claim that the traditional Hebrew dating is not historically precise regarding the years before the Second Temple.

R' Nachman Krochmal
Nachman Krochmal
Nachman Kohen Krochmal was a Jewish Galician philosopher, theologian, and historian.-Biography:...

 in Guide to the perplexed of our times (Hebrew, 1851) points to the Greek name Antigonos mentioned in the beginning of Avot as proof that there must have been a longer period to account for this sign of Hellenic influence. He posits that certain books of the Bible such as Kohelet
Ecclesiastes
The Book of Ecclesiastes, called , is a book of the Hebrew Bible. The English name derives from the Greek translation of the Hebrew title.The main speaker in the book, identified by the name or title Qoheleth , introduces himself as "son of David, king in Jerusalem." The work consists of personal...

 and Isaiah
Book of Isaiah
The Book of Isaiah is the first of the Latter Prophets in the Hebrew Bible, preceding the books of Ezekiel, Jeremiah and the Book of the Twelve...

 were written or redacted during this period.

R' David Zvi Hoffman
David Zvi Hoffman
David Zvi Hoffmann , was an Orthodox Rabbi and Torah Scholar. Born in Verbó in 1843, he attended various Yeshivas in his native town before he entered the college at Pressburg, from which he graduated in 1865...

 (1843–1921) points out that the Mishna in Avot (1:4) in describing the chain of tradition uses the plural "accepted from them" even though the previous Mishna only mentions one person. He posits that there must have been another Mishna mentioning two sages that was later removed.

It has been noted that the traditional account of Jewish history shows a discontinuity in the beginning of the 35th century: The account of Seder Olam Rabbah
Seder Olam Rabbah
Seder Olam Rabbah is a 2nd century CE Hebrew language chronology detailing the dates of biblical events from the Creation to Alexander the Great's conquest of Persia...

 is complete only until this time. It has been postulated that this work was written to complement another historical work, about subsequent centuries until the time of Hadrian
Hadrian
Hadrian , was Roman Emperor from 117 to 138. He is best known for building Hadrian's Wall, which marked the northern limit of Roman Britain. In Rome, he re-built the Pantheon and constructed the Temple of Venus and Roma. In addition to being emperor, Hadrian was a humanist and was philhellene in...

, which is no longer extant.
It appears that Jewish dating systems only arose in the 35th century, so that precise historical records would naturally have existed only from that time onwards. The Minyan Shtarot system, used to date official Jewish documents, started in the year 3449. According to Lerman's thesis, the year-count "from Creation" was established around the same time (see Birkat Hachama).

It has also been posited that certain calculations in the Talmud compute better according to the secular dating (Y2K solution to the Chronology Problem, Hakirah
Hakirah
Ḥakirah, The Flatbush Journal of Jewish Law and Thought is a peer-reviewed journal in the field of Jewish Law and Thought. The journal is currently published by Hakirah, Inc. from editorial offices in Brooklyn, NY, USA, with 2 annual issues....

 Vol. 3).

Two reasons are given as to why the Rabbis may have deliberately removed years from the timeline.
  • 1. R' Shimon Schwab
    Shimon Schwab
    Shimon Schwab was an Orthodox rabbi and communal leader in Germany and the United States. Educated in Frankfurt am Main and in the yeshivot of Lithuania, he was rabbi in Ichenhausen, Bavaria, after immigration to the United States in Baltimore, and from 1958 until his death at Khal Adath Jeshurun...

     points to the words "seal the words and close the book" in the book of Daniel as a positive commandment to obscure the calculations for the Messiah mentioned within. However, R' Schwab withdrew this suggestion, labeling it a mere thought experiment.

  • 2. The Y2K solution proposed in the Hakirah article suggests that the sages were concerned with the acceptance of the Mishna. There existed a Rabbinical tradition that the year 4000 marked the close of the "era of Torah". The authors of the Hakirah article propose that the Sages therefore arranged the chronology so that the redaction of the Mishna should coincide with that date and thus have a better chance of acceptance.

Critiques of secular dating

The astronomical data used by the secular historians has been criticized. Physicist and science historian Robert R. Newton
Robert Russell Newton
Robert Russell Newton, also R. R. Newton was an American physicist, astronomer, and historian of science.Newton was Supervisor of the Applied Physics Laboratory at Johns Hopkins University. Newton was known for his book The Crime of Claudius Ptolemy . In Newton's view, Ptolemy was "the most...

 has found Ptolemy's work to contain errors and fraudulent observations. (Bickerman questions if the Royal Canon is actually the work of Ptolemy.) Dolan notes that Babylonian records of astronomical events are subject to interpretation as they do not clearly distinguish between eclipses and weather phenomena; moreover eclipses may have been missed or their extent misrecorded as a result of observation conditions. Dolan also notes that the dates of ancient texts have also been the subject of interpretation due to broken texts and uncertainty about ordering. Aaronson points out that the Persian inscriptions consist only of names and titles with virtually no explanatory content, and that the identification of the individuals mentioned is also a matter of interpretation. (Aaronson also notes that some ancient Persian sources, such as two of the inscriptions of Arsames and Ariaramnes, have subsequently been revealed to be forgeries.)

Aaronson and Heifetz note that the Greek sources contradict each other and the archaeological sources and reconciling the difference involves additional interpretation. They argue that the sources can be interpreted in a manner consistent with the traditional dating as well as with the secular dating. They consider the reigns of certain Median and Persian monarchs to have been overlapping whereas the secular dating counts them as non-overlapping. They also argue that certain kings named in Greek sources who have been counted as separate monarchs are in fact the same individual - in particular they argue that only one Alexander of Macedonia fought a king Darius of Persia, not two Alexanders as the secular dating requires.

The following sources are thus taken into consideration in support of the traditional dating:
  • The internal chronology of the Hebrew Bible
    Hebrew Bible
    The Hebrew Bible is a term used by biblical scholars outside of Judaism to refer to the Tanakh , a canonical collection of Jewish texts, and the common textual antecedent of the several canonical editions of the Christian Old Testament...

    .
  • Transmitted tradition regarding the dates of annually commemorated events.
  • The Tannaitic
    Tannaim
    The Tannaim were the Rabbinic sages whose views are recorded in the Mishnah, from approximately 70-200 CE. The period of the Tannaim, also referred to as the Mishnaic period, lasted about 130 years...

     chronicle Seder Olam Rabba and later chronicles such as the Seder Olam Zuta, Seder Ha-Dorot and Toldot Am Olam.
  • Comments on historical events in other Jewish writings such as the Talmud
    Talmud
    The Talmud is a central text of mainstream Judaism. It takes the form of a record of rabbinic discussions pertaining to Jewish law, ethics, philosophy, customs and history....

     and the commentaries of Rashi
    Rashi
    Shlomo Yitzhaki , or in Latin Salomon Isaacides, and today generally known by the acronym Rashi , was a medieval French rabbi famed as the author of a comprehensive commentary on the Talmud, as well as a comprehensive commentary on the Tanakh...

    .
  • The secular Greek writings of the Jewish historian Josephus
    Josephus
    Titus Flavius Josephus , also called Joseph ben Matityahu , was a 1st-century Romano-Jewish historian and hagiographer of priestly and royal ancestry who recorded Jewish history, with special emphasis on the 1st century AD and the First Jewish–Roman War, which resulted in the Destruction of...

     and the national traditions preserved by the Persian historian Firdausi.
  • The Greek, Babylonian and Persian sources cited by those supporting the secular dating, but interpreted in a manner consistent with the traditional dating.


This approach to the discrepancy is the most problematic. The reinterpretation of the Greek, Babylonian and Persian sources that is required to support the traditional dating has been achieved only in parts and has not yet been achieved in its entirety. Similar problems face other attempts to revise secular dating (such as those of Peter James and David Rohl
David Rohl
New Chronology is the term used to describe an alternative Chronology of the ancient Near East developed by English Egyptologist David Rohl and other researchers beginning with A Test of Time: The Bible - from Myth to History in 1995...

) and mainstream scholarship rejects such approaches.

Years each Temple stood

Rabbinic authority Baal Haturim
Jacob ben Asher
Jacob ben Asher, also known as Ba'al ha-Turimas well as Rabbi Yaakov ben Raash , was likely born in Cologne, Germany c.1269 and likely died in Toledo, Spain c.1343....

indicates from that the first temple stood 410 years, and the second for 420 years.

The 70 years between the first and second temple supports the above-noted 490 years, and 70 CE (3828 AM) minus 490 years = 3338 AM (421 BCE).
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