/
This library is built in the open.
If you spot an error, have a suggestion, or just want to say hello — we’d love to hear from you.

| Colors of the Moon during an eclipse | 395 |
| Conclusion of the chapter | 396 |
| Purpose of the introduction | 400 |
| Locations where parallax in longitude and latitude exist or do not exist original: "lambana-nati"; these terms refer to the specific shifts in observed position due to the observer's location on Earth | 402 |
| Calculation of parallax in longitude | 410 |
| Calculation of corrected parallax in longitude | 415 |
| Adjustments for the Sun, Moon, and Nodes at the precise moment of conjunction | 416 |
| Calculation of the time of eclipse for a desired magnitude and the differences from lunar eclipses | 438 |
| Rules for predictable and unpredictable eclipses | 445 |
| Author’s self-praise A common traditional closing where the author validates the accuracy of their mathematical methods | 447 |
| Special considerations | 450 |
| Conclusion of the chapter on solar eclipses | 452 |
| Purpose of the introduction | 457 |
| Visibility and invisibility of planets based on their proximity to the Sun | 458 |
| Calculation of the visibility correction due to local latitude original: "aksha-drik-karma" | 463 |
| Degrees of time required for the visibility of planets | 467 |
| Calculation of days past or remaining for the rising and setting | 468 |
| Determining the daily rising and setting of planets and special rules for the Moon | 471 |
| Knowledge of the Moon's rising and setting in the absence of the Sun | 472 |
| Special rules for the rising and setting of Mercury and Jupiter | 473 |
| Special considerations regarding the visibility degrees of Venus | 474 |
| Critique of Aryabhata The author here disputes the calculations or theories of the 5th-century astronomer Aryabhata | 475 |
| Conclusion of the chapter | 476 |
This chapter deals with the "cusps" or points of the crescent moon and their orientation.
| Refutation of the Puranic view that the Moon is above the Sun The author uses mathematical logic to disprove traditional mythological cosmology | 479 |
| Cause of the increase and decrease of the white portion of the lunar disk | 480 |
| The basis for knowing the elevation of the horns through mathematics | 481 |
| The meaning of the elevation of the horns | 482 |
| Calculation of the Moon's corrected sine of declination | 483 |
| Calculation of the base for the Sun and Moon | 485 |
| Calculation of the corrected base, perpendicular, and hypotenuse useful for the elevation of the horns | 487 |