शङ्कौनृदीपाधश्छिद्रघ्नैर्दीपौच्च्यं नरान्विते
The peg, when multiplied by the lamp and the lower hole, gives the height of the lamp, O wise one.
दीपशङ्क्वन्तरं चाथ च्छायाग्रविवरघ्नभा
Then, the distance between the lamp and the peg, multiplied by the difference at the tip of the shadow,
प्रभाप्ता जायते दीपशिखौच्च्यं स्यात्त्रिराशिकात्
produces the extent of the light; the height of the lamp’s flame is three times the sign.
ग्रहमध्यादिकं वक्ष्ये गणिते नातिविस्तरान्
Now I shall explain the mean position of the planet, without excessive detail, in calculation.
तद्दशांशास्तु चत्वारः कृताख्यं पादमुच्यते
Of these, four tenths are called the 'square' or 'quarter' part.
मनुकृताब्दसहिता युगानामेकसप्ततिः
Seventy-one together with the years of Manu and Krita make up the yugas.
तावत्येव निशा तस्य विप्रेन्द्र परिकीर्तिता
That night, O foremost of Brahmins, has thus been described.
खचरानयनं कार्यमथवेष्टयुगादितः
The movement of the planets should be determined from the beginning of the yuga.
पूजार्किगुरुशुक्राणां भगणापूर्वपापिनाम्
The worship of the Sun, Jupiter, Venus, and the nodes, as well as those who are previously sinful, is to be performed.
दस्रत्र्याष्टरसांकाश्विलोचनानि कुजस्य तु
The eyes of Mars are likened to ten, three, eight, and six forms.
बृहस्पतेः खदस्राक्षिवेदस्रङ्हूयस्तथा
For Jupiter, the forms are ten, two, and one, and the invocation is likewise so.
शनेर्भुजगषट्पचरसवेदनिशाकराः
For Saturn, the forms are six, five, and the lunar forms, as well as those of the serpent.
वामं पातस्य च स्वग्नियमाश्विशिखिदस्रकाः
For the left side of the nodes, their own fire, restraint, horse, and the forms of ten are prescribed.
वसुव्द्यष्टाद्रिरूपाङ्कसप्ताद्रितिथयो युगे
The forms of the Vasus, two, eight, mountain forms, and seven mountain tithis are in the yuga.
तिथिक्षयायमार्थाक्षिद्व्यष्टव्योमशराश्विनः
With the loss of tithis, the forms are two, eight, sky, arrows, and the Ashvins.
षट्त्र्यग्निवेदग्निपञ्चशुभ्रांशुमासकाः
Six, three, fire, Veda, fire, five, and the shining rays are the months.
कौजस्य वेदस्वयमा बौधस्याष्टर्तुवह्नयः
For Mars, the Veda is its own; for Mercury, eight seasons and fires are prescribed.
गोग्नयः शनिमन्दस्य पातानामथवा मतः
For Saturn, the cows and fires are considered as the forms of the nodes.
कृताद्रिचन्द्राजैवस्य रवैकस्याग्निरवनन्दकाः
For Krita, mountain, moon, and victory, one sound, fire, and joy are prescribed.
वर्तमानयुगे पानावत्सराभगणाभिधाः
In the present yuga, the names of the years are given according to the planets.
पृथक्त्थासिधिमासग्रासूर्यमासविभाजिताः
Separately, the lunar months are divided according to the solar months.
द्विस्थास्तितिक्षयाभ्यस्ताश्चान्द्रवासरभाजिताः
Twice, the loss of tithis is practiced, and the lunar days are divided.
सावनोद्यूगसारर्कादिर्दिनमासाब्दयास्ततः
The Sāvana, solar, lunar, and other days, months, and years are thus described.
मासाब्ददिनसंख्यासंद्वित्रिघ्नं रूपसंयुतम्
The numbers of months, years, and days, combined with their forms, are multiplied by two or three.
स्नेहस्य भगणाभ्यस्तो दिनराशिः कुवासरैः
The sum of days, divided by the number of fortnights, is to be multiplied by the number of bad days.
एवं ह्यशीघ्रमन्दाञ्चये प्रोक्ताः पूर्वपापिनः
Thus, those who have accumulated previous sins are said to experience slow or swift results.
योजनानि शतान्यष्टौ भूकर्णौं द्विगुणाः स्मृतः
Eight hundred yojanas are considered the measure of the earth’s circumference, doubled for the ear-shaped extensions.
लंबज्याघ्नस्वजीवाप्तः स्फुटो भूपरिधिः स्वकः
The true circumference of the earth is obtained by multiplying the chord by its own sine and then by the radius.
कलादितत्फलं प्रार्च्याः ग्रहेभ्यः परिशोधयेत्
The result derived from the calculation of time units should be settled with the planets accordingly.
राक्षसातपदेवौकः शैलयोर्मध्यसूत्रगाः
The dwellings of demons and ascetics are said to be located along the central line between two mountains.