The Correctly Established Doctrine of Brahma, Volume 2 (1966) - Page 12

Subject	Page
Degrees of the centers for the rising and setting of Mars and other planets original: "kujādi-grahāṇām-udayāsta-kendrāṃśāḥ"	231
Explanation of how these are made accurate for one's own location	236
Calculation of the five sines pañcajyā: five specific trigonometric functions used in Indian astronomy	237
Explanation of the correction for ascensional difference carakarma: the mathematical process to adjust for the difference in rising times due to local latitude	243
The measure of day and night	245
Calculation of the lunar mansions nakṣatra: the 27 or 28 sectors of the ecliptic for the planets	246
Calculation of the lunar day tithi: a 30th part of a lunar month	248
Calculation of the Yoga yoga: a period in which the combined motions of the sun and moon increase by 13° 20'	250
The distance between the Sun and the Moon	251
The fixed Karana karaṇa: half of a lunar day (tithi)	252
The variable Karana	254
Conclusion of the chapter	256

3. Chapter on the Three Problems 259-360

The "Three Problems" (Tripraśna) refer to the fundamental astronomical problems of direction, place, and time.

Subject	Page
Knowledge of the directions Determining East, West, North, and South	259
Knowledge of directions by means of the shadow-path line	264
Calculation of the "base" bhuja: the side of a right-angled triangle of a twelve-digit gnomon śaṅku: a vertical pillar used to measure shadows	267
The position of the gnomon and the tip of the shadow	271
Calculation of the rising periods at the equator original: "laṅkodaya"	286
Calculation of the rising periods at one's own location	288
Calculation of the ascendant lagna: the point of the zodiac rising on the eastern horizon for one's own location	290
Calculation of time from the ascendant	293
The inverse ascendant and the calculation of time therefrom	295
The desired gnomon The specific altitude of the sun at a given moment	297
The gnomon and the sine of the zenith distance	301
The shadow and the hypotenuse of the shadow	302
Calculation of the shadow's hypotenuse and the desired "antya" antyā: a specific trigonometric quantity related to the diurnal circle	304
Further calculation of the divisor and other elements	306
Another method for the shadow's hypotenuse and the gnomon	307
The difference between the desired divisor and the "antya"	309
Calculation of the "hṛti" and "antya" hṛti: a specific divisor used in spherical trigonometry	311
Another method for calculating the desired hypotenuse	313
Another method for the desired "hṛti"	314
Other methods for the desired "antya" and variations in shadow calculation	316
Time elapsed since sunrise and time remaining until noon original: "unnatakāla" and "natakāla"	319