Indology, Ancient Indian History, Indian Astronomy, Metrology, Hinduism.
“Prahara”. Nāḍikā, muhūrta, and Prahara are well known divisions of time in Ancient India. According to Vedāṅga Jyotiṣa, there are two nāḍikā in one muhūrta and there are 30 muhūrtas in a day and night (Ṛk Vedāṅga Jyotiṣa 16, Yajus Vedāṅga Jyotiṣa 38). Here is the Sanskrit text and English