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词条 Hindu units of time
释义

  1. Time units

     Sidereal metrics  Small units of time used in the Vedas 

  2. Lunar metrics

  3. Tropical metrics

  4. Reckoning of time among other entities

     Among the Pitṛs (forefathers)  Among the Devas  For Brahma 

  5. Four Yugas

  6. Current date

     Calculating the elapsed time since current Brahma's creation 

  7. See also

  8. Notes

  9. References

  10. External links

{{Use dmy dates|date=December 2016}}Hindu texts describe units of Kala measurements, from microseconds to Trillions of years.[1] According to these texts, time is cyclic, which repeats itself forever.[2]

Time units

Various fragments of time are used in Hindu Scriptures like Vedas, Bhagavata Purana, Vishnu Puran, Mahabharata, Suryasidhanta etc. A summary of the Hindu metrics of time ({{IAST|kāla}} vyavahāra) follows.{{Citation needed|reason=Previously cited book cites a personal blog which is not available anymore|date=September 2018}}

Sidereal metrics

Unit Definition Relation to SI units
Truti त्रुटि Base unit ≈ 0.031 µs
Renu रेणु 60 Truti ≈ 1.86 µs
Lava लव 60 Renu ≈ 0.11 ms
Līkṣaka लीक्षक 60 Lava ≈ 6.696 ms
Lipta लिप्ता60 Leekshaka≈ 0.401 s
Vipala विपल
Pala पल60 Lipta≈ 24.1056 s
Vighaṭi विघटि
Vinādī विनाडी
Ghaṭi घटि60 Vighaṭi≈ 24 min
Nādī नाडी
Danda दण्ड
Muhūrta मुहूर्त 2 Ghaṭi ≈ 48 min
Nakṣatra Ahorātram (Sidereal Day)नक्षत्र अहोरात्रम् 60 Ghaṭī ≈ 24 h
30 Muhūrta ≈ 24 h
Alternate system
Unit Definition Relation to SI units
Truti Base unit ≈ 35.5 µs
Tatpara 100 Truti ≈ 3.55 ms
Nimesha 30 Tatpara ≈ 106.7 ms
Kāṣṭhā 30 Nimesha ≈ 3.2 s
Kalā 30 Kāṣṭhā ≈ 1.6 min
Muhūrta 30 Kalā ≈ 48 min
Nakṣatra Ahorātram (Sidereal Day) 30 Muhūrta ≈ 24 h

Small units of time used in the Vedas

Unit Definition Relation to SI units
Paramāṇu Base unit ≈ 26.3 µs
Aṇu 2 Paramāṇu ≈ 52.67 µs
Trasareṇu 3 Aṇu ≈ 158 µs
Truṭi 3 Trasareṇu ≈ 474 µs
Vedha 100 Truṭi ≈ 47.4 ms
Lava 3 Vedha ≈ 0.14 s
Nimeṣa 3 Lava ≈ 0.43 s
Kṣaṇa 3 Nimesha ≈ 1.00 s
Kāṣṭhā 5 Kṣaṇa ≈ 6.4 s
Laghu 15 Kāṣṭhā ≈ 1.6 min
Danda 15 Laghu ≈ 24 min
Muhūrta 2 Danda ≈ 48 min
Ahorātram (Day) 30 Muhūrta ≈ 24 h
Masa (Month) 30 Ahorātram ≈ 30 days
Ritu (Season) 2 Masa ≈ 2 months
Ayana 3 Ritu ≈ 6 months
Samvatsara (Year)2 Ayana≈ 365 days[3]
Ahorātram of Deva

Lunar metrics

  • A Tithi or lunar day is defined as the time it takes for the longitudinal angle between the moon and the Sun to increase by 12°.Tithis begin at varying times of day and vary in duration from approximately 19 to approximately 26 hours.[4][5]
  • A Paksa (also {{IAST|Pakṣa}}) or lunar fortnight consists of 15 tithes.[4]
  • A {{IAST|Māsa}} or lunar month (approximately 29.5 days) is divided into 2 {{IAST|Pakṣa}}s: the one between new moon and full moon (waxing) is called gaura or (bright) or {{IAST|Śukla Pakṣa}}; the one between full moon and new moon (waning) Kṛiṣhṇa (dark) paksha[4]
  • A {{IAST|Ṛitu}} (or season) is 2 {{IAST|Māsa}}[4]
  • An Ayana is 3 {{IAST|Ṛitu}}s[4]
  • A year is two Ayanas[4]

Tropical metrics

  • A Yāma = 1/4 of a day (light) or night = 7½ Ghatis (घटि) = 3¾ Muhurtas = 3 {{IAST|Hora}}s (होरा)tely 26 hours.[6]
  • Eight Yāmas make half of the day (either day or night)[6]
  • An Ahorātra is a tropical day (Note: A day is considered to begin and end at sunrise, not midnight.)[6]
Name Definition Equivalence
Yama याम ¼th of a day (light) or night ≈ 3 hours
Sāvana Ahorātram सावन अहोरात्रम् 8 Yamas 1 Solar day

Reckoning of time among other entities

Among the Pitṛs (forefathers)

  • 1 day of pitras = 1 solar masa (month) [6]
  • 30 days of pitras = 1 month of pitras[6]
  • 12 months of pitras = 1 year of pitras[6]

The Lifespan of the pitras is 100 years of pitras (3,000 Solar years).[6]

Among the Devas

The life span of any Hindu deva spans nearly (or more than) 4.5 million years. Statistically, we can also look it as:

  • 12000 Deva Years = Life Span of Devas = 1 Mahā-Yuga.[7]

The {{IAST|Viṣṇu Purāṇa}} Time measurement section of the {{IAST|Viṣṇu Purāṇa}} Book I Chapter III explains the above as follows:

  • 2 Ayanas (6-month periods, see above) = 1 human year or 1 day of the devas
  • 4,000 + 400 + 400 = 4,800 divine years (= 1,728,000 human years) = 1 Satya Yuga[7]
  • 3,000 + 300 + 300 = 3,600 divine years (= 1,296,000 human years) = 1 Treta Yuga[7]
  • 2,000 + 200 + 200 = 2,400 divine years (= 864,000 human years) = 1 Dvapara Yuga[7]
  • 1,000 + 100 + 100 = 1,200 divine years (= 432,000 human years) = 1 Kali Yuga[7]
  • 12,000 divine year = 4 Yugas (= 4,320,000 human years) = 1 Mahā-Yuga (also is equaled to 12000 Daiva (divine) Yuga)[7]
  • [212,000 = 24,000 divine year = 12000 revolutions of sun around its dual][7]

For Brahma

  • 1000 Mahā-Yugas = 1 Kalpa = 1 day (day only) of Brahma

(2 Kalpas constitute a day and night of Brahma, 8.64 billion human years)

  • 30 days of Brahma = 1 month of Brahma (259.2 billion human years)
  • 12 months of Brahma = 1 year of Brahma (3.1104 trillion human years)
  • 50 years of Brahma = 1 Parārdha (156,764,160,000,000 human years)
  • 2 parardhas = 100 years of Brahma = 1 Para = 1 Mahā-Kalpa (the lifespan of Brahma) (313,528,320,000,000 human years)

One day of Brahma is divided into 10000 parts called charaṇas.[8]

Four Yugas

The four yugas which come one after the other are as follows (along with their durations):

The Four Yugas
4 charaṇas (1,728,000 solar years) Satya Yuga
3 charaṇas (1,296,000 solar years) Treta Yuga
2 charaṇas (864,000 solar years) Dvapara Yuga
1 charaṇas (432,000 solar years) Kali Yuga
Source: [https://web.archive.org/web/20120222065203/http://vedabase.net/sb/3/11/19/en1]

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  from:432 till:864 color:satyayuga fontsize:M text:"Matsya"        #from 432  from:864  till:1296 color:satyayuga fontsize:M text:"Kurma"         from:1296  till:1728 color:satyayuga fontsize:M text:"Varaha"
 from:1728 till:2160 color:satyayuga fontsize:M text:"Narasimha"         from:2160 till:2592 color:tretayuga fontsize:M text:"Vamana"
  from:4320 till:4752 color:kaliyuga fontsize:M text:"Kalki"

The cycle repeats itself, so altogether there are 1,000 cycles of Mahā-Yuga in one day of Brahma.

  • One cycle of the above four Yugas is one Mahā-Yuga (4.32 million solar years)
  • as is confirmed by the Gītā Śloka 8.17 (statement) "sahasra-yuga-paryantam ahar yad brahmaṇo viduḥ rātriṁ yuga-sahasrāntāṁ te 'ho-rātra-vido janāḥ", meaning, a day of brahma is of 1000 Mahā-Yuga. Thus a day of Brahma, Kalpa, is of duration: 4.32 billion solar years. Two Kalpas constitute a day and night (Adhi Sandhi) of Brahma.[9]
  • A Manvantara consists of 71 Mahā-Yuga (306,720,000 solar years). Each Manvantara is ruled by a Manu.[8]
  • After each Manvantara follows one {{IAST|Saṃdhi}} Kāla of the same duration as a Kṛta Yuga (1,728,000 = 4 Charaṇas). (It is said that during a {{IAST|Saṃdhi}} Kāla, the entire earth is submerged in water.)[8]
  • A Kalpa consists of a period of 4.32 Billion solar years followed by 14 Manvataras and {{IAST|Saṃdhi}} Kalas.[8]
  • A day of Brahma equals

(14 times 71 Mahā-Yuga) + (15 × 4 Charaṇas)

= 994 Mahā-Yuga + (15 * 4800)

= 994 Mahā-Yuga + (72,000 years)[deva years] / 6 = 12,000[deva years] viz. one maha yuga.

= 994 Mahā-Yuga + 6 Mahā-Yuga

= 1,000 Mahā-Yuga.[8]

Current date

Currently, 50 years of Brahma have elapsed. The last Kalpa at the end of the 50th year is called Padma Kalpa. We are currently in the first 'day' of the 51st year.[10] This Brahma's day, Kalpa is named as Shveta-Varaha Kalpa. Within this Day, six Manvantaras have already elapsed[11] and this is the seventh Manvantara, named as – Vaivasvatha Manvantara (or Sraddhadeva Manvantara). Within the Vaivasvatha Manvantara, 27 Mahayugas[11] (4 Yugas together is a Mahayuga), and the Krita,[12] Treta and Dwapara Yugas of the 28th Mahayuga have elapsed. This Kaliyuga is in the 28th Mahayuga. This Kaliyuga began in the year 3102 BCE in the proleptic Julian Calendar.[13] Since 50 years of Brahma have already elapsed, this is the second Parardha, also called as Dvithiya Parardha.

Calculating the elapsed time since current Brahma's creation

432000 × 10 × 1000 × 2 = 8.64 billion years (2 Kalpa (day and night))

8.64 × 109 × 30 × 12 = 3.1104 Trillion Years (1 year of Brahma)
3.1104 × 1012 × 50 = 155.52 trillion years (50 years of Brahma)

(6 × 71 × 4320000) + 7 × 1.728 × 10^6 = 1852416000 years elapsed in first six Manvataras, and Sandhi Kalas in the current Kalpa

27 × 4320000 = 116640000 years elapsed in first 27 Mahayugas of the current Manvantara

1.728 × 10^6 + 1.296 × 10^6 + 864000 = 3888000 years elapsed in current Mahayuga

3102 + 2017 = 5119 years elapsed in current Kaliyuga.

So the total time elapsed since current Brahma is

155520000000000 + 1852416000 + 116640000 + 3888000 + 5119 = 155,521,972,949,120 years

(one hundred fifty-five trillion, five hundred twenty-one billion, nine hundred seventy-two million, nine hundred forty-nine thousand, one hundred twenty years) as of 2018 AD

Total age of Brahma is 100 (Brahma Years) which is equal to 311,040,000,000,000 Human years

The current Kali Yuga began at midnight 17 February / 18 February in 3102 BCE in the proleptic Julian calendar.[14] As per the information above about Yuga periods, only 5,120 years are passed out of 432,000 years of current Kali Yuga, and hence another 426,880 years are left to complete this 28th Kali Yuga of Vaivaswatha Manvantara.{{refn|group=note|According to Sri Yukteswar Giri, guru of Paramahansa Yogananda, The ascending phase of the Kali Yuga began in September 499 CE. Since September 1699, we have been in the ascending phase of the Dwapara Yuga. According to Sri Yukteswar, nobody wanted to announce the bad news of the beginning of the descending Kali Yuga, so they kept adding years to the Dvapara date (at that time 2400 Dvapara) only retitling the epoch to Kali.{{sfn|Yukteswar|1949}}}}

See also

{{Portal bar|Time|Astronomy|Astrology|History|Philosophy|Hinduism|Religion|Mythology|Spirituality}}{{col div|colwidth=30em}}
  • Age of the universe
  • Cosmology
  • Hindu astronomy
  • Hindu calendar
  • Indian mathematics
  • Indian science and technology
  • Indian weights and measures
  • Jyotish
  • List of numbers in Hindu scriptures
  • Universe
  • Vedanga Jyotisha
  • Vedas
  • Yojana
{{colend}}

Notes

1. ^{{cite book|url=https://books.google.co.in/books?id=pHiKycrLmEQC&printsec=frontcover#v=onepage&q&f=false|title=Units of Measurement: Past, Present and Future. International System of Units|publisher=Springer|page=3|author=S.V. Gupta}}
2. ^{{cite book|title=Lost Discoveries: The Ancient Roots of Modern Science--from the Baby|author=Dick Teresi|page=174|publisher=SimonandSchuster}}
3. ^{{cite book|url=https://books.google.co.in/books?id=pHiKycrLmEQC&pg=PA5&dq=Truti+lava&hl=en&sa=X&ved=0ahUKEwju9_K1687VAhUBOY8KHSTvAycQ6AEIMzAC#v=onepage&q=Truti%20lava&f=false|title=Units of Measurement: Past, Present and Future. International System of Units|publisher=Springer|page=5|author=S.V. Gupta}}
4. ^{{cite book|url=https://books.google.co.in/books?id=pHiKycrLmEQC&printsec=frontcover#v=onepage&q&f=false|title=Units of Measurement: Past, Present and Future. International System of Units|publisher=Springer|page=5,6|author=S.V. Gupta}}
5. ^{{cite book| last = Kumar| first = Ashwini| title = Vaastu: The Art And Science Of Living| url =https://books.google.com/books?id=PwlmRgLt7WkC&pg=PA50| date = 2005| publisher = Sterling Publishers Pvt. Ltd| isbn = 81-207-2569-7| page = 50 }}
6. ^{{cite book|url=https://books.google.co.in/books?id=pHiKycrLmEQC&printsec=frontcover#v=onepage&q&f=false|title=Units of Measurement: Past, Present and Future. International System of Units|publisher=Springer|page=6|author=S.V. Gupta}}
7. ^{{cite book|url=https://books.google.co.in/books?id=sm0BfUKwct0C&pg=PA50&lpg=PA50&dq=4,000+%2B+400+%2B+400+%3D+4,800+divine+years+(%3D+1,728,000+human+years)&source=bl&ots=4ICDiER4Wy&sig=mvB9BIjm8SmryEb0nKku0olSyoQ&hl=en&sa=X&ved=0ahUKEwjA6uHlktHVAhUGP48KHcKDDXQQ6AEIRDAI#v=onepage&q=4%2C000%20%2B%20400%20%2B%20400%20%3D%204%2C800%20divine%20years%20(%3D%201%2C728%2C000%20human%20years)&f=false|title=Tracing The Way: Spiritual Dimensions of the World Religions|publisher=A&C Black|page=50|author=Hans Kng}}
8. ^{{cite book|url=https://books.google.co.in/books?id=pQHNDgAAQBAJ&printsec=frontcover#v=onepage&q&f=false|title=The Power of Stars|publisher=Springer|page=182|author=Bryan E. Penprase}}
9. ^{{cite book|url=http://www.holy-bhagavad-gita.org/chapter/8/verse/17|title=Bhagavad Gita The Song of God|author=Swami Mukundananda}}
10. ^Burgess, Chapter 1, Verse 21
11. ^Burgess, Chapter 1, Verse 22
12. ^Burgess, Chapter 1, Verse 23
13. ^Burgess, p17
14. ^Burgess, Ebenezer [https://books.google.com/books?id=jpE7AAAAcAAJ&printsec=frontcover Translation of the Sûrya-Siddhânta: A text-book of Hindu astronomy, with notes and an appendix] Originally published: Journal of the American Oriental Society 6 (1860) 141–498 , p17"

References

{{reflist|30em}}
  • Victor J. Katz. A History of Mathematics: An Introduction, 1998.

External links

  • Translation of the Surya Siddhanta (1861)
  • [https://twitter.com/Hinduism4u Daily Hindu Calendar]
  • [https://web.archive.org/web/20070219000941/http://www.originofculture.com/Astronomical%20Cycles%20%26%20Facts.htm Exegesis of Hindu Cosmological Time Cycles]
  • [https://web.archive.org/web/20050320030038/http://www.thearchimedeandual.com/platonic/Eastern/surya_siddanta_commentary/surya_siddhanta.htm Surya Siddhanta, Chapter I with Commentary and Illustrations]
  • Vedic Time Converter
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