Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 2 · War Astrology: Yogas, Nakshatras
युद्धजयार्णवः (योगाः नक्षत्राणि)
विष्कम्भे घटिकास्तिस्रः शूले पञ्च विवर्जयेत् ।षट्षड्गण्डेऽतिगण्डे च नव व्याघातवज्रयोः ॥ १ ॥
In the full Agni Purana this is chapter 127, verse 1.
Avoid three ghatikas (24-minute units) in Vishkambha. Avoid five in Shula, six each in Ganda and Atiganda, and nine in Vyaghata and Vajra.
Simple meaning: In some bad almanac combinations, avoid a set stretch of time, from about one to four hours.
परिघे च व्यतीपात उभयोरपि तद्दिनम् ।
Avoid travel and war for the whole day in a few bad almanac combinations.
ग्रहैः शुभाशुभं वक्ष्ये देवि मेषादिराशितः ।
Planet results are read from the birth sign. The Moon and Venus there tend to give good.
द्वितीयो मङ्गलोऽथार्कः सौरिश्चैव तु सैंहिकः ।
Mars, Sun, Saturn or Rahu in the 2nd house tend to bring loss of goods and defeat in battle.