Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 1 · Muhurta: Marriage, Home, Farming
ज्योतिःशास्त्रम्
पञ्चमे नवमे चैव द्वाविंशतिरुदाहृताः ।षष्ठाष्टमे त्वखण्डाः स्युश्चतुर्विंशतिरेव च ॥ १३ ॥
In the full Agni Purana this is chapter 122, verse 13.
For the 5th and 9th, twenty-two is said. For the 6th and 8th, they are whole, twenty-four.
Simple meaning: The fifth and ninth are twenty-two. The sixth and eighth are twenty-four.
सप्तमे पञ्चविंशः स्यात्खण्डशः पिण्डकाद्भवेत् ।
The seventh is twenty-five. From Cancer the three signs take six, four and three.
तुलादौ प्रातिलोम्येन त्रयो वेदरसाः क्रमात् ।
From Libra the figures run three, four, six. From Capricorn they run six, four, three.
हन्याल्लिप्तां गतागामिपिण्डसंख्याफलान्तरैः ।
Find the in-between value: multiply the minutes by the step difference and divide by sixty.