Su, Sū., 6, 5.1 tatra laghvakṣaroccāraṇamātro 'kṣinimeṣaḥ pañcadaśākṣinimeṣāḥ kāṣṭhā triṃśatkāṣṭhāḥ kalā viṃśatikalo muhūrtaḥ kalādaśabhāgaś ca triṃśanmuhūrtam ahorātraṃ pañcadaśāhorātrāṇi pakṣaḥ sa ca dvividhaḥ śuklaḥ kṛṣṇaś ca tau māsaḥ //