The line of the Prime Meridian passes through Rohitaka, Avanti (Ujjain), and Kurukshetra.
Modern Technical Commentary:
Geographical definition of the Siddhantic Prime Meridian. Avanti (75° 46' E) is the primary anchor, effectively the 'Greenwich' of ancient Indian astronomy.
Siddhantic Proof: Madhyama (Mean Motions) v.62
Sanskrit (Devanagari):
रोहीतकमवन्ती च यथा सन्निहितं सरः ॥
Translation (Burgess):
The line of the Prime Meridian passes through Rohitaka, Avanti (Ujjain), and Kurukshetra.
Modern Technical Commentary:
Geographical definition of the Siddhantic Prime Meridian. Avanti (75° 46' E) is the primary anchor, effectively the 'Greenwich' of ancient Indian astronomy.
Ujjain (Avanti) — The Canonical Reference.
Avanti is explicitly named as a point on the line passing from
the 'center of the earth' (Lanka) through the northern pole.
[Ch. I, v.62]
Siddhantic Proof: Madhyama (Mean Motions) v.62
Sanskrit (Devanagari):
रोहीतकमवन्ती च यथा सन्निहितं सरः ॥
Translation (Burgess):
The line of the Prime Meridian passes through Rohitaka, Avanti (Ujjain), and Kurukshetra.
Modern Technical Commentary:
Geographical definition of the Siddhantic Prime Meridian. Avanti (75° 46' E) is the primary anchor, effectively the 'Greenwich' of ancient Indian astronomy.
Siddhantic Proof: Madhyama (Mean Motions) v.62
Sanskrit (Devanagari):
रोहीतकमवन्ती च यथा सन्निहितं सरः ॥
Translation (Burgess):
The line of the Prime Meridian passes through Rohitaka, Avanti (Ujjain), and Kurukshetra.
Modern Technical Commentary:
Geographical definition of the Siddhantic Prime Meridian. Avanti (75° 46' E) is the primary anchor, effectively the 'Greenwich' of ancient Indian astronomy.
Avanti is explicitly named as a point on the line passing from the 'center of the earth' (Lanka) through the northern pole.