Surya Siddhanta
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दिनक्षपार्धम् एतेषाम् अयनान्ते विपर्ययात् । उपर्यात्मानम् अन्योन्यम् कल्पयन्ति सुरासुराः॥
Their mid-day and midnight, which are opposed to one another, are at the end of each half-revolution from solstice to solstice (ayana). The gods and demons each suppose themselves to be uppermost.
english translation
अन्ये +अपि समसूत्रस्था मन्यन्ते +अधः परस्परम् । भद्राश्वकेतुमालस्था लङ्कासिद्धपुराश्रिताः॥
Others, too, who are situated upon the same diameter (samasMrastha) , think one another underneath—as the dwellers in Bhadracva and in Ketumala, and the inhabitants of Lanka and of the city of the Perfected, respectively.
english translation
सर्वत्रैव महीगोले स्वस्थानम् उपरि स्थितम् । मन्यन्ते खे यतो गोलस् तस्य क्वोर्धवम् क्व वाधः॥
As the shape of the earth is spherical (vartula), people in each place think themselves to be uppermost. But as the globe of earth is situated in ether, what then is its upper and lower side?
english translation
अल्पकायतया लोकाः स्वस्थानात् सर्वतो मुखम् । पश्यन्ति वृत्ताम् अप्य् एताम् चक्राकाराम् वसुन्धराम्॥
Owing to the littleness of their own bodies, men, look- ing in every direction from the position they occupy, behold this earth, although it is globular, as having the form of a wheel.
english translation
सव्यम् भ्रमति देवानाम् अपसव्यम् सुरद्विषाम् । उपरिष्टाद् भगोलो +अयम् व्यक्षे पश्चान् मुखः सदा॥
To the gods, this sphere of asterisms revolves toward the right ; to the enemies of the gods, toward the left ; in a situation of no latitude, "directly overhead—always in a westerly direction.
english translation