The Hindu Calendar isn't just a calendar—it's an astronomical system based on the changing positions of the Sun and Moon. 🌑🌕 Discover the science behind Amavasya, Purnima, Tithis, and eclipses. 💬 Did you know this before? #HinduCalendar #Astronomy #Amavasya #Purnima #Tithi Science Space SolarEclipse LunarEclipse IndianKnowledge TheBhoomiYatra