Astronomy & Cosmology
Accurate length of the sidereal year
499 CEAryabhataAryabhatiyaPan-Indian / unspecified
499 CE
Computed the year length to within minutes of the modern value.
- Dated
- 499 CE
- As scholars put it
- 499 CE
- Originator
- Aryabhata
- Source text
- Aryabhatiya
- Region
- Pan-Indian / unspecified
- Discipline
- Astronomy & Cosmology
- Evidence
- Documented
- Confidence
- High
- Verification
- Reference-cited
Meanwhile in the West
Comparable precision in Europe came much later.
Fair to say
Accuracy varies by which figure of his is cited.
Path to modern innovation
Precise timekeeping and calendars.
499 CEAccurate length of the sidereal year
1957Transmission
Independent measurement tradition.
Primary sources
- 3The Aryabhatiya Of AryabhataUnreviewed
- 4Aryabhatiya of Aryabhata: 3 volumesUnreviewed
References
- 1Aryabhatiya (499 CE)
Further reading
Corrections and additional sources: edit IND-026 on GitHub.