Bharatiya Jyotihshastra (History of Indian Astronomy), translated by R. V. Vaidya v2.c12.s3.54

v2.c12.s3.54

As regards the views of the heavenly bodies observed from different places on the earth, it may be stated that the Pole star appears to be in the horizon when observed from any place on the Equator, and the planets and other celestial bodies appear to rise and set at a vertical circle. As one goes northwards, the north pole appears to attain higher altitudes, and the diurnal circles along which planets and other bodies appear to move, are seen inclined to the horizon. For an observer at the pole, the Sun and other (celestial) bodies, appear to move along circles parallel to the Equator; all these things are discussed in the Siddhāntas. The author does not give quotations from the original here for want of space.* Again, most of the Siddhāntas discuss questions like these (i) what places in the northern hemisphere (i. e. places in what latitudes) can never see a particular portion of the ecliptic, (ii) what latitudes can never see certain signs of the ecliptic or (iii) what are the latitudes where the Sun is visible for 60 ghaṭis or even more, and for how many days. It is not necessary to repeat them here in detail.