Brihat Parashara Hora Shastra
सन्ध्या रसगुणा कार्या चन्द्रवह्निहृता फलम् । संस्थाप्यं प्रथमे कोष्ठे तदर्धं त्रिषु विन्यसेत् ॥ २०५॥
By multiplying the Dasha years of Sandhya Dasha by 6 and dividing the product by 31, the years, months etc. so arrived at may be put in one apartment of a Table. Thereafter half of these years, months etc. may be written in the next three apartments.
english translation
sandhyA rasaguNA kAryA candravahnihRtA phalam । saMsthApyaM prathame koSThe tadardhaM triSu vinyaset ॥ 205॥
hk transliteration by Sanscript