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The Reckoning of Time

释义

Sections
1. Technical preparation (Chapters 1–4) 2. The Julian calendar (Chapters 5–41) 3. Anomalies of lunar reckoning (Chapters 42–43) 4. The Paschal table (Chapters 44–65) 5. The Minor Chronicle (Chapter 66) 6. Prophecy (Chapters 67–71)
See also
Notes
References
External links

{{short description|Computation of Easter by Bede}}{{For|the reckoning of time in Catholic canon law|Computation of time}}{{Use dmy dates|date=October 2015}}{{italic title}}The Reckoning of Time ({{lang-la|De temporum ratione}}) is an Anglo-Saxon era treatise written in Medieval Latin by the Northumbrian monk Bede in 725. The treatise includes an introduction to the traditional ancient and medieval view of the cosmos, including an explanation of how the spherical Earth influenced the changing length of daylight, of how the seasonal motion of the Sun and Moon influenced the changing appearance of the new moon at evening twilight, and a quantitative relation between the changes of the tides at a given place and the daily motion of the Moon.^[1]

The Reckoning of Time describes the principal ancient calendars, including those of the Hebrews, the Egyptians, the Romans, the Greeks , and the Anglo-Saxons.^[2] The focus of {{lang|la|De temporum ratione}} was calculation of the date of Easter, for which Bede described the method developed by Dionysius Exiguus. {{lang|la|De temporum ratione}} also gave instructions for calculating the date of the Easter full moon, for calculating the motion of the Sun and Moon through the zodiac, and for many other calculations related to the calendar.

Bede based his reasoning for the dates on the Hebrew Bible. The functions of the universe and its purpose are generally referenced by scripture. According to the introduction by Faith Wallis in the 1999 English translated edition of The Reckoning of Time, Bede aimed to write a Christian work that integrated the astronomical understanding of computing with a theological context of history. The book is also regarded by Bede to be a sequel to his works The Nature of Things and On Time.^[3]

Sections

The work is divided into six sections:

1. Technical preparation (Chapters 1–4)

This section familiarizes the reader with terminology regarding measurements.

In chapter 3 Bede defines a day as being 12 hours long. An hour consists of increments of {{lang|la|puncti}}, {{lang|la|partes}} and {{lang|la|mementa}}. Each of which are small increments of time within the hour. The smallest increment of time is the atom.

2. The Julian calendar (Chapters 5–41)

Here, Bede gives an exhaustive overview of the date of the Earth's creation, the months, the weeks and the Moon.

He argues that the first day did not, as it was generally believed, take place at the time of an equinox. According to the religious accounts of God's creation of the universe, light was created on the first day. It wasn't until the fourth day, however, that God created the stars and therefore there was no measurement of hours.

Much of this section is devoted to the Moon. Bede goes into extensive detail about measuring the moon's cycles, the Moon's relationship to the Earth and Sun. Bede discusses the Moon's relationship to the tide and calculating {{lang|la|kalends}}.

3. Anomalies of lunar reckoning (Chapters 42–43)

These two chapters pick up where the previous section left off on examining the irregularities of the Moon creating a leap year as well as why, according to Bede, the Moon appears older than it actually is.

4. The Paschal table (Chapters 44–65)

This section explores different year cycles that include varying numbers of months and days, determining the year cycle of Christ's incarnation, Easter, and other moon cycles.

5. The Minor Chronicle (Chapter 66)

Bede gives an exhaustive description of the Six Ages of the World.

Bede details the First Age, from Adam to Noah, as being 1,656 years long according to the Hebrew Bible or 2,242 years according to the Septuagint.

The Second Age, from Noah to Abraham, is 292 years or 272 years long based on Bede's evaluation of the Hebrew Bible and Septuagint respectively.

The Third Age is said to be 942 years long according to both the Hebrew Bible and Septuagint spanning from the Abraham to David.

The Fourth age is from David until the Babylonian exile. This is 473 years according to the Hebrew Bible or 485 according to the Septuagint.

The Fifth age is from the Babylonian exile to the advent of Christ.

The Sixth age is the current age lasting from the advent of Christ until the end of days.

6. Prophecy (Chapters 67–71)

Finally, Bede goes on to discuss the end of the Sixth Age, discusses the second coming of Christ, the Antichrist, Judgement Day, and the Seventh and Eighth ages of the world to come.^[3]

Notes

1. ^Wallis (2004:82–85;307–312).
2. ^Wallis (2004:41-54;281–287
3. ^¹{{cite book |last=Wallis |first=Faith |title=Bede: The Reckoning of Time |year=1999 |publisher=Liverpool University Press |isbn=0853236933 }}

References

Jones, Charles W., ed. De temporum ratione, in Bedae opera didascalia 2, Corpus Christianorum Series Latina, 123B, Turnhout: Brepols, 1997. {{ISBN|978-2-503-01235-3}}
Jones, Charles W., ed. De temporum ratione, in Bedae opera de temporibus, Cambridge, Massachusetts: The Mediaeval Academy of America, 1943.
Wallis, Faith, trans. [https://books.google.com/books?id=yFsw-Vaup6sC&printsec=frontcover Bede: The Reckoning of Time], Liverpool: Liverpool Univ. Pr., 1999/2004. {{ISBN|0-85323-693-3}}.

External links

De Temporum Ratione in Latin from Patrologia Latina.

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