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31 Dec 20, 4 tweets, 1 min read
History of the Solar Year

Celestial wheel turns in 360 days
Dirgatamas~2600BCE

True year is between 365 & 366
Yajur,2400BCE

366 for civil use!
Lagadha,1370 BCE

Correction month in 2.5 yrs!
Kautilya,300BC

365.2588
Surya Sid-200CE

365.2585
Aryabhata

Modern sidereal-365.25636
1560-Christopher Clavius sends several Jesuits to Kerala to learn Jyotisha, accurate trignometric tables etc

1582-Gregorian calendar adopted with Indian Ahargana system('Julian numbers'); 11 October days dropped

1752-British empire adopts Gregorian

1956-India adopts Gregorian
Aryabhata's value is off by just 3mins 20sec. The true solar year is the sidereal, not the Tropical one which the Gregorian continues to use, along with many unscientific & arbitrary absurdities such as '28' Feb days.

'Jan 1' has no significance whatsoever. Well, Happy new year!
For getting clarity on this complicated topic, I recommend Prof Kosla Vepa's encyclopedic volumes.

Further reading-

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More from @JoeAgneya

Joseph T Noony Profile picture
29 Dec 20
Here are reasons for inadmissibility of 'Subtrate' arguments-
1. Many(including Lubotsky) themselves admit that they are arbitrarily using the word 'Substrate' as against 'adstrate'. This invalidates any attempt to use it as evidence of AIT.
From Talageri- Image
2. The vast majority of words tortured up- and all of so called BMAC words- are either late or post Rig Vedic

3. If these adstrates are proof of AIT, then the HUGE Semitic, old European and Uralic loans in western branches which are ABSENT in Indo-Iranian & Tocharian proves OIT Image
4. It is known that Austroasiatic/Munda immigrated into India after~4000BP. Irrelevant to OIT. Witzel's 'Para Munda' falls flat.

5. Isidone Dyen has demonstrated co-development between PIE and Proto-Austronesian. This is possible ONLY in OIT scenario.
nature.com/articles/s4159…
Read 6 tweets
Joseph T Noony Profile picture
22 Dec 20
What did Daniel Bernouli(1700-1782 CE) plagiarize from Narayana Pandit(1340-1400 CE) indirectly through Jesuit translations of Kerala manuscripts?

#NationalMathematicsDay
What did 17th century European Mathematicians plagiarize from Bhaskara the IInd(1114-1185 CE)?
#NationalMathematicsDay

What did 17th century Europe plagiarize from Madhava of Sangamagrama(1340-1425 CE) ?
#NationalMathematicsDay
Read 4 tweets
Joseph T Noony Profile picture
11 Oct 20
The Govt should commission a new Purana in Sanskrit. It should cover the entire recorded history of the civilization state of Bharatam in the native perspective. From the spread of Indo-European tribes from Sapta Sindhu(3500-2000 BCE) to the 1st war of Independence in 1857 CE.
It should then be translated to every vernacular. The Puranas are the world's oldest historical tradition originally created by 100s of Vedic era court bards/Pauranikas. There is no need for us to blindly follow the colonial methods of histography whose pollution must be removed.
Purana writing continued even till modern times. True, lots of ahistorical stories, mythology, exaggerations & chronological errors have crept into the major puranas over the last 3500 years. These shortcomings must be corrected while we extract history from original Vedic texts.
Read 5 tweets
Joseph T Noony Profile picture
23 Sep 20
"The first cause was a self aware singularity.The truth is ∞"
Yajnavalkya, 2000 BCE

"There is nothing permanent. Not even the self. The truth is 0"
Buddha, 500 BCE

"Truth is multifaceted. Both 0 & ∞"
Mahavira, 500 BCE

"Mathematically I found that 0=1/∞"
Bhaskara II, 1150 CE
This is why Europe would never have discovered zero and calculus on its own even after a thousand years. They simply did not have the phisosophical foundation for it. They did it the easy way- mass plagiarism of Indian hard work.
This is also why Indic darsanas(Vedic, Jain and Buddhist) should not be treated as 'religions'. They are not a bunch of dogmas at eternal conflict with each other like middle Eastern faiths. They are high philosophies that directly inspired modern mathematics.
Read 4 tweets
Joseph T Noony Profile picture
27 Aug 20
What is truly pitiable are your asinine answers to her valid questions.

-Law of the hypotenuse was NOT stated by Pythagoras.

-Bījagaṇita was NOT invented by al-Khwārizmī. He was a mere commentator.

-It was the Vedic mathematician Baudhayana(~1700 BCE) who discovered both.
-Baudhayana was the first mathematician to state the law. His successor Apasthamba(~1600 BCE) was the first mathematician to state the Baudhayana theorem WITH proof.

-Baudhayana also stumbled upon Proto-Bījagaṇita . He investigated the basic forms (ax^2=c) and (ax^2+bx=c)
Sulba Sutras are appendages to mathematical sections of older Brahmana texts with complex altar constructions(~2000 BCE)

-The math & metrology of Vedic texts are found applied ONLY IN Mature Harappan cities(2600–1900 BCE)

-The antiquity of this Indian knowledge is indisputable
Read 4 tweets
Joseph T Noony Profile picture
22 Jul 20
#PiApproximationDay
Here is the Indian story of Pi-

Yajnavalkya 2000BCE->339/108=3.1388..(.09% error)
Baudhayana 1700BC 3.08
Jainas 400BC 3.16
Aryabhata 499CE 3.1416
Govindaswami 800CE 3.14159265
Madhava,1370 3.14159265358
Nilakanta 1480, 'Folks!Pi is irrational'

Ramanuja 1914:
Yajnavalkya is the first named mathematician in history associated with pi. No name from contemporary Egypt or Mesopotamia is known. Of the many values in Shatapatha Brahmana, 339/108 is the best. The history of Science & Math should begin with his name.
Courtesy: Kosla Vepa
While Aryabhata used the practically elegant value of 3.1416, he was also aware that pi can only be 'approached' and is in fact an irrational number. This makes him the first mathematician to realize this.
Read 6 tweets

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