The Locative -7th case-affix ending is retained after 1. prāvaṭ 2. kāla and 3. div when ja follows.,
Thus प्रावृषिजः, शरदिजः, कालेजः, दिविजः ॥ This sutra is but an extension or amplification of the previous sutra.,
प्रावृट्-शरत्-काल-दिवां जे
Adhyāya 6 · Pāda 3 · Rule 15