Vedic Vrat & Upavas Observances
Canonical fasting schedules governed by Dharmaśāstra vyāpti principles. Calculate exact fast-breaking (Pāraṇa) timings, Harivāsara thresholds, and topocentric moonrise moments.
Ekadashi Fasting & Parana Timings
Annual schedule with Harivasara end moments, Parana windows, and Smartha / Vaishnava rules.
Sankashti Chaturthi & Angaraki
Monthly Krishna Paksha Chaturthi fasting for Lord Ganesha with topocentric Moonrise timings.
Pradosham Vrata & Shiva Puja
Bi-monthly Trayodashi twilight fasting schedule with exact sunset Pradosha Kala windows.