Observed arrival · 2026-09-01
Ganit, a Panchang for the City You're In
Ganit computes Hindu calendar dates for a user-selected city, then explains why they may differ from dates in India.
Field notes
The calendar uses astronomical positions from the JPL development ephemeris through Skyfield, applies Lahiri ayanamsa, and calculates sunrise and sunset from local coordinates and elevation. Its explanation distinguishes the Hindu day from a simple civil-time conversion: a festival can split across cities because of a midnight observance rule even when sunrise would place it on the same date. Moonrise is computed from lunar distance and is reported to agree with Swiss Ephemeris to roughly four seconds.
Observed signals
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