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
Lunar day Lunar day A lunar day is the period of time for Earth's Moon to complete one rotation on its axis with respect to the Sun. Due to tidal locking, it is also the time the Moon takes to complete one orbit around Earth and return to the same phase. A lunar month is the period between two new moons.A lunar month lasts about 29.5 solar days on earth. Relative to the fixed stars on the celestial sphere, the Moon takes 27 Earth days, 7 hours, 43 minutes, and 12 seconds to complete one orbit; however, since the Earth–Moon system advances