Makara (month) month of Kumbha. The start of this month is almost always January 14, the day of the Makara Sankranti festival, and periodically the Kumbh Mela. The Makara month is called "Tai" in the Tamil Hindu calendar. The ancient and medieval era Sanskrit texts of India vary in their calculations about the duration of Makara, just like they do with other months. For example, the "Surya Siddhanta" calculates the duration of Vrschika to be 29 days, 10 hours, 45 minutes and 12 seconds. In contrast, the "Arya Siddhanta" calculates the duration of the Vrschika month to be 29 days, 10 hours,
Vṛṣabha the Tamil Hindu calendar. The ancient and medieval era Sanskrit texts of India vary in their calculations about the duration of Vrsabha, just like they do with other months. For example, the "Surya Siddhanta" calculates the duration of Vrishabha to be 31 days, 10 hours, 5 minutes and 12 seconds. In contrast, the "Arya Siddhanta" calculates the duration of Vrsabha to be 31 days, 9 hours, 37 minutes and 36 seconds. The Indian solar month names are significant in epigraphical studies of South Asia. For example, "Vrsabha" month, along with other solar months, are found inscribed in medieval era Hindu