Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 6 · Calendar, Muhurta Elements
कालमानं मुहूर्ताङ्गानि च
ऋक्षेशे कांतिभाग्भौमे व्याधि सौभाग्यमिंदुजे ।जीवे नैवं सिते हानिर्मन्दे सर्वसमृद्धयः ॥ १५८ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 158.
On the Moon's day it gives beauty. On Mars's day, it may bring illness. On Mercury's day, good fortune. On Jupiter's day, not so. On Venus's day, loss may follow. On Saturn's day, every kind of prosperity.
Simple meaning: An oil massage may give beauty on Monday, illness on Tuesday, loss on Friday, prosperity on Saturday.
Classical view, not medical advice.
लंकोदयात्स्याद्वारादिस्तस्मादूर्ध्वमधोऽपिवा ।
The weekday begins at sunrise in Lanka. Elsewhere it starts later or earlier by a set amount.
बलप्रदस्य खेटस्य कर्म सिद्धचति यत्कृतम् ।
Work tied to a strong planet succeeds. Under a weak planet it fails, even with effort.
इंदुज्ञजीवशुक्राणां वासराः सर्वकर्मसु ।
The Moon, Mercury, Jupiter and Venus days suit all work. The other days suit only harsh work.