Rudrapur is a city in the state of Uttarakhand. It lies at
28.98°N latitude and 79.40°E longitude.
All panchang times (sunrise, sunset, Rahu Kaal, Abhijit Muhurat) are
computed specifically for this location using the Swiss Ephemeris
with Lahiri ayanamsa — the official Indian Rashtriya Panchang standard.