ArthaŚ, 2, 6, 12.1 rājavarṣaṃ māsaḥ pakṣo divasaśca vyuṣṭam varṣāhemantagrīṣmāṇāṃ tṛtīyasaptamā divasonāḥ pakṣāḥ śeṣāḥ pūrṇāḥ pṛthagadhimāsakaḥ iti kālaḥ //