Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 5 · Portents, Comets
ग्रहचारः केतवश्च
इन्द्रचापार्द्धमूर्तिस्तु भानुर्भूपविरोधकृत् ।शशरक्तनिभे भानौ संग्रामो न चिराद्भुवि ॥ ११ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 11.
A Sun shaped like half a rainbow brings strife among kings. When the Sun looks like a hare's blood, a battle comes on earth before long.
Simple meaning: A half-rainbow Sun brings strife among kings. A hare-blood-red Sun means a battle soon.
मयूरपत्रसंकाशो द्वादशाब्दं न वर्षति ।
A peacock-feather Sun means no rain for twelve years. A Moon-like Sun can bring a change of king.
अर्के श्यामे कीटभयं भस्माभे राष्ट्रजं तथा ।
A dark Sun brings fear of insects. An ash Sun brings country trouble. A hole may mean harm for a great king.
घटाकृतिः क्षुद्भयकृत्पुरहा तोरणाकृतिः ।
Pot, arch or umbrella shapes on the Sun point to hunger and harm. A broken Sun points to risk for the king.