Why Kolkata Needs a Local Panchang
Panchang timing depends on the observer location. Even within the same timezone, sunrise and local longitude can shift practical windows for puja, vrata, travel, signing, and festival routines. Kolkata uses the Asia/Kolkata timezone, but its local latitude and longitude still matter.
What This Pilot Tracks
- City coordinate baseline: 22.5726, 88.3639
- Timezone baseline: Asia/Kolkata
- Bengali panchika context with eastern India sunrise sensitivity.
- Kolkata validation should account for earlier sunrise and local Bengali festival usage.