Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 6 · Calendar, Muhurta Elements
कालमानं मुहूर्ताङ्गानि च
षष्ठी गुरौ तृतीया ज्ञेऽष्टमी शुक्रे शनैश्चरे ।नवमी पञ्चमी भौमे दग्धयोगाः प्रकीर्तिताः ॥ २४६ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 246.
The 6th tithi (moon day) on Thursday, the 3rd on Wednesday, the 8th on Friday. The 9th on Saturday. The 5th on Tuesday. These are called dagdha (burnt) yogas (good or bad day mix).
Simple meaning: These weekday and tithi pairs are called burnt days.
भरण्यर्कदिने चंद्रे चित्राभौमेतु विश्वभम् ।
Six weekday and star pairs are named: Bharani, Chitra, Uttara Ashadha, Dhanishta, Uttara Phalguni and Jyeshtha.
रेवती मंदवारे तु ग्रहजन्मर्क्षनाशनम् ।
Revati on Saturday completes the list. A group of four stars from Vishakha starts for the weekdays.
उत्पातमृत्युकाणाख्यसिद्धियोगाः प्रकीर्तिताः ।
Each weekday's four stars are Utpata, Mrityu, Kana and Siddhi. Bad day mixes are avoided in some lands.