Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 6 · Calendar, Muhurta Elements
कालमानं मुहूर्ताङ्गानि च
ज्ञेयानि सहचित्राणि मूर्द्धभानि यथाक्रमम् ।लिखेदूर्ध्वगतामेकां तिर्यग्रेखास्त्रयोदश ॥ २१६ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 216.
Draw one line running up. Draw thirteen lines across.
Simple meaning: Draw one line upward and thirteen lines across it.
तत्र खार्जूरिके चक्रे कथितं मूर्ध्नि भं न्यसेत् ।
Put the head star at the top of the date-palm figure. Check if the Sun and Moon share one line.
एकार्गलो दृष्टिपातश्चाभिजिद्वर्जितानि वै ।
Sun and Moon on one line of the figure is the single-bolt fault. Abhijit is left out.
योगं प्रकरणं योगाः क्रमात्तु सप्तविंशतिः ।
There are 27 yogas in order. Then the karana lords begin: Indra, Prajapati, Mitra and others.