On account of the excess of time and the constellations going on their courses there is an increase of two months in every five years.
एवं कालविभागेन कालचक्र प्रवर्तते॥ तेषां कालातिरेकेण ज्योतिषां च व्यतिक्रमात्। पञ्चमे पञ्चमे वर्षे द्वौ मासावुपजायतः॥