Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 6 · Calendar, Muhurta Elements
कालमानं मुहूर्ताङ्गानि च
प्लवंगः कीलकः सौम्यः सामातश्च विरोधकृत् ।परिभावी प्रमादी च आनन्दो राक्षसोऽनलः ॥ ११९ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 119.
Plavanga, Kilaka, Saumya, Samata, Virodhakrit. Paribhavi, Pramadi, Ananda, Rakshasa and Anala.
Simple meaning: These are the next ten names of the sixty-year cycle.
पिंगलः कालयुक्तश्च सिद्धार्थो रौद्रदुर्मतीः ।
These are the last ten names of the sixty-year cycle.
नामतुल्यफलाः सर्वे विज्ञेयाः षष्टिवत्सराः ।
Each of the sixty years gives results like its name. Five years make a cycle, so there are twelve cycles.
तेषामीशाः क्रमाज्ज्ञेया विष्णुर्देवपुरोहितः ।
The twelve five-year cycles have lords. The first six are Vishnu, Jupiter, Indra, Lohita, Tvashta and Ahirbudhnya.