Tulā calculates the duration of Tula to be 29 days, 21 hours, 26 minutes and 24 seconds. In contrast, the "Arya Siddhanta" calculates the duration of the Tula month to be 29 days, 21 hours, 40 minutes and 48 seconds. The Indian solar month names are significant in epigraphical studies of South Asia. For example, "Tula" month, along with other solar months, are found inscribed in medieval era Hindu temples. Tula is also an astrological sign in Indian horoscope systems, corresponding to Libra (astrology). Tulā Tulā is one of the twelve months in Indian solar calendar. Tula corresponds to the zodiacal
Thai lunar calendar Thai lunar calendar The Thai lunar calendar (, , , literally, "Specific days according to lunar norms"), or Tai calendar, is a lunisolar Buddhist calendar. It is used for calculating lunar-regulated holy days. Based on the "SuriyaYatra", with likely influence from the traditional Hindu "Surya Siddhanta", it has its own unique structure that does not require the Surya Siddhanta to calculate. Lunisolar calendars combine lunar and solar calendars for a nominal year of 12 months. An extra day or an extra 30-day month is intercalated at irregular intervals. The Thai solar calendar (, , ), Thailand's version of the Gregorian