पृष्ठम्:लघुभास्करीयम्.djvu/२०

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X INTRODUCTION of the Sun and the Moon ; verses 6-7 give a rule for finding the true distances of the Sun and the Moon; verses 8-15(ii) relate to the calculation of true daily motion (in longitude) for the Sun and the Moon; verse 16 gives a rule for finding the Sun's declination from the Sun's longitude; verses 17-18 give a rule for finding the Sun's ascensicnal differ- ence; and verses 19-20 relate to the Sun's correction for the Sun's ascensional difference {i.e , for the difference of times of sunrise at the local place and at the place where the local meridian intersects the equator). Verse 21 gives a rule for finding the lengths of day and night when the Sun is in the northern or southern hemisphere. Verses 22-24 deal with the corrections for the Moon. Verses 25-28 relate to the calculation of naksatra, titki, and kamna, which form three important elements of the Hindu Calen- dar. Verse 29 relates to the classification of the phenomena called vyaiipata. The remaining chapter deals with the planets, Mars, etc. Verse 30 gives general instructions relating to the planets. Verses 31-32 relate to the conection to be applied to the tabu- lated epicycles of the planets. Verses 33-37 (i) give the method for finding the true longitude in the case of Mars, Jupiter and Saturn. Verses 37(ii)-39 give the corresponding method for Mercury and Venus. Verse 40 gives the criterion for knowing whether a planet is stationary. Verse 41 states the method for finding the true daily motion of a planet, direct or retrograde. The third chapter comprises 35 verses and deals with the determination of directions, time, and place, with the help of the shadow of the gnomon.