Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 6 · Calendar, Muhurta Elements
कालमानं मुहूर्ताङ्गानि च
सावित्री कमला गौरी नासत्यौ पितरोऽदितिः ।वैधृतिश्च व्यतीपातो महापातावुभौ सदा ॥ २१३ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 213.
Savitri, Kamala (Lakshmi), Gauri, the Nasatyas (the Ashvins), the Pitris (ancestors) and Aditi. Then Vaidhriti and Vyatipata (a bad Sun and Moon yoga). They are the two great pata (fall-point fault) yogas (Sun-Moon yoga of the almanac). They are always bad.
Simple meaning: The yoga lord list ends. Vaidhriti and Vyatipata are always bad.
परिवस्य च पूर्वार्द्धं सर्वकार्येषु गर्हितम् ।
The first half of Parigha is bad for every act. Vishkambha and Vajra lose three ghatikas, Ganda and Atiganda six.
व्यागघाते नव शूले तु पंच नाड्यो हि गर्हिताः ।
Vyaghata loses nine ghatikas and Shula five. Nine stars are named as head stars.
ज्ञेयानि सहचित्राणि मूर्द्धभानि यथाक्रमम् ।
Draw one line upward and thirteen lines across it.