Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 1 · Muhurta: Marriage, Home, Farming
ज्योतिःशास्त्रम्
गुरुक्षेत्रगते सूर्ये सूर्यक्षेत्रगते गुरौ ।विवाहं न प्रशंसन्ति कन्यावैधव्यकृद्भवेत् ॥ ५ ॥
In the full Agni Purana this is chapter 121, verse 5.
When the Sun is in Jupiter's sign, or Jupiter is in the Sun's sign, they do not praise marriage. The girl may become a widow.
Simple meaning: Marriage is not praised when Sun and Jupiter sit in each other's signs. The girl may be widowed.
चैत्रे पौषे न रिक्तासु हरौ सुप्ते कुजे रवौ ।
Some months, days and the dark Moon are not good for marriage. Twilight is good.
रोहिणी चोत्तरा मूलं स्वाती हस्तोऽथ रेवती ।
Marriage is praised under these stars, in Libra or Gemini.
विवाहे कर्णवेधे च व्रते पुंसवने तथा ।
Avoid a pierced star for marriage and child rites.