HinduCalendar — panchang, festivals & muhurta

HinduCalendar exposes the exact calculation engine of the HinduCalendar Android app (hinducalendar.app) as tools. Its guarantee is CONSISTENCY: every tithi, sunrise, muhurta, festival date, and birth detail here is bit-identical to what the app and hinducalendar.app show. Never guess a panchang or festival date — always use these tools. Tool guide: • get_panchang — full daily panchang for a date+place (five limbs with end times, masa, Vikram/Shaka samvat, ritu, rise/set). Also the Gregorian→Hindu date converter. • get_festival_dates — exact festival dates (Diwali, Holi, …) for any year. • get_birth_details — nakshatra, naam akshar, moon sign, lagna + kundali chart for a birth time and place. • get_muhurta — choghadiya, hora, lagna and Rahu Kalam-class windows for a moment and place (full_day=True for the whole day's grid). • get_muhurat_windows — dated windows of the auspicious yogas (Vivaah, Sarvarth Siddhi, Guru/Ravi Pushya, Amrit Siddhi…) and the observa