GENERAL INDEX Occultation 592 Omitted day 11, 16, 66, 110, 628; recurrence 268-69, 270-71 Orbits of sky, asterisms and planets 126ff Palabhā 275, 28 lff Palakarņa 275 Pañcānga 147, 256ff Parallax 457. See also Lambana, Avanati and Nati. Paramaphalajā 616 Parilekha 427; of eclipses 496ff; of lunar horns 566ff Parilekhasūtra 563ff Parya 506fí Pāta 260ff Perpetual daylight 46 Phases of the Moon 635 Pitāmaha 145 Planets, revolutions 6-10; mean longitude 29ff, 76-81, 87-88, 95-99, 104-7, 108-110, see also 148, 152, (by karana method) 117-24, (by orbital method) 129-30; mean motion, for a civil day 107-8, for a solar day 87-88, for a lunar month 94, daily motion from monthly motion 95; mean motion in yojanas 128, true longitude 194-255, (without Rsine table) 217-18, (by Aryabhata's method) 251-52, (method of Surya-siddhanta) 2.52, (other methods) 2.52-55, 417, true longitudes for the beginnings of Brahma's day, current Kalpa and Kaliyuga 62-5; true daily motion 198-200, Re q 212-15; types of motion 21821; orbits 127-28; order 131. 32; distances 436; diameters 575; orbital inclinations 533; heliacal rising and setting 221ff,245ff,531ff; conjunction, of two planets 574ff, of planet and star 588ff Planets' apogees and ascending nodes, for the beginning of Kaliyuga 62ff Pole star 288, 595, 638 Pratimandala 6l5 Precession 303. See also Ayanacal 2. Prime meridian 134 Prime vertical 386ft, 619 Puliśa ! 45 Radius, of the celestial sphere 274, 622, see also 152, 159ff and Yasti; of the diurnal circle 3 Off Rāhu 155 Retrograde motion 198-9, 21.9ff Revatī (Zeta Piscium) 279, 288 Romaka 145 Rsines, table 159-63; computation (by simple interpolation) 167ff; (by second order interpolation) 170f; Brahmagupta's 153 Rversed-sines, table 159-63 Šaka era 4 Samadhrti. See Taddhrti. Samakarņa 391 Sатататdala (prime vertical) 386, 619 Samamaņdalakarņa 321 Sámányagola (General Armillary Sphere) 622
