Bringing Astronomy Research to Everyone
Browse planetary transits, full & new moons, retrogrades, solstices and equinoxes by year.
Everything about every moon — distance, ecliptic latitude, and cultural names.
Compare tropical and sidereal Hindu month names across years.
Browse all Kumbh Mela periods based on Surya-Guru alignment across millennia.
Browse all extra and lost months in the Hindu calendar across millennia.
Learn how Panchang is calculated from the positions of Sun and Moon.
Step-by-step count of civil days from Kaliyuga — Sūrya Siddhānta, Āryabhaṭīya & Grahalāghavam.
The 5-year luni-solar cycle from India's oldest astronomical text — 60 solar & 62 lunar months.
Interactive world map of places sharing the same rising zodiac — same Lagna, same Kundali — at any date & time.