पञ्चसिद्धान्तिका (आचार्य वराहमिहिर - सूर्य, रोमक, पौलिश, वासिष्ठ एवं पितामह सिद्धान्त)

326 PAÑCASIDDHĀNTIKĀ XVIII.20 days are clear. Therefore, the days for the second segment must be 7. So I have emended manu into muni. The motion given there, 28', gives the rate 2', too absurd for that position, if the original 14 days are accepted, and it cannot be that the Siddhānta does not know the absurdity. Even for the emended 7 days, it is too low, being only 4' rate, while the rate on both sides is 5', and also consis- tent with facts. Therefore, ścaturguṇā is emended into śceṣuguṇā. Now, these three segments can be combined into 4° 55' for 59 days, without affecting the result. I do not know why the Siddhānta has broken it into such bits. Next, the total for the 378 days must be the mean motion for the period, i.e., 9 padas, equal to 12° 39'.4, roughly taken by the Siddhānta as 12° 39'. Therefore the motion for the fourth segment, 56 [