Agni Purāṇa

136 - The diagram of asterisms indicating the period for undertaking a journey 

The Lord said: 

1-6. Ishall describe the diagram indicating good or bad results in journey undertaken. A diagram consisting of three columnsshould be drawn and (the asterisms) Aśhvini etc.should be represented therein (by their first letters). (The asterisms) Aśhvini, Ardra, Pūrvå (phälguni), Uttaraphålguni, Hasta, Jyeshtha, Mula, Varuna (Satabhisak) and Ajaikapat (Pürvabhadrapada) consist of first column. (The asterisms) Yämya (Bharaṇī), Mrugasira, Pushya, Bhagya (Pūrvaphālguni), Chitra, Maitra (Anurādhā), Apya (Pūrvāshādha), Väsava (Jyeshtha) and Ahirbudhanya (Uttarabhadrapada) (are located in the second column). (The asterisms) Kruttika, Rohiņi, Ahiḥ (Āśleshā) Chitra, Svathi, Vishakha, Sravaņa and Revathi are located in the third (column). Oneshould know the good or bad results from the asterisms associated with three columns. This is known as the diagram of phaniśvara (lord of serpents) divided into three columns. The presence in Sun, Mars, Saturn and Rahu (the ascending node) indicate bad luck and the rest good luck. The position is the same, such as the country or village, the brothers and wife indicate good. The twentyseven asterismsshould be known as (represented by letters) a, bha, kr, ro, mr, å, pu, pu, å, ma, pū, u, ha, ci, svā, vi, a, jye, mū, pů, u, sra, dha, śa, pū, u and re.