Su, Sū., 6, 6.1 tatra māghādayo dvādaśa māsāḥ saṃvatsaraḥ dvimāsikam ṛtuṃ kṛtvā ṣaḍṛtavo bhavanti te śiśiravasantagrīṣmavarṣāśaraddhemantāḥ teṣāṃ tapastapasyau śiśiraḥ madhumādhavau vasantaḥ śuciśukrau grīṣmaḥ nabhonabhasyau varṣāḥ iṣorjau śarat sahaḥsahasyau hemanta iti //

Su, Sū., 6, 10.0 iha tu varṣāśaraddhemantavasantagrīṣmaprāvṛṣaḥ ṣaḍṛtavo bhavanti doṣopacayaprakopopaśamanimittaṃ te tu bhādrapadādyena dvimāsikena vyākhyātāḥ tad yathā bhādrapadāśvayujau varṣāḥ kārttikamārgaśīrṣau śarat pauṣamāghau hemantaḥ phālgunacaitrau vasantaḥ vaiśākhajyeṣṭhau grīṣmaḥ āṣāḍhaśrāvaṇau prāvṛḍ iti //