Panchanga - Vedic Calendar Library
Pure Python library for traditional Vedic calendar (Panchanga) calculations based on Suryasiddhanta (ca. AD 1000).
Installation
pip install panchanga
Quick Example
import panchanga
# Convert Gregorian to Julian Day and Ahargana
jd = panchanga.modern_date_to_julian_day(2025, 3, 14)
ahargana = panchanga.julian_day_to_ahargana(jd)
# Get calendar information
kali_year = panchanga.ahargana_to_kali(ahargana)
saka_year = panchanga.kali_to_saka(kali_year)
vikrama_year = panchanga.saka_to_vikrama(saka_year)
# Calculate astronomical positions
tslong = panchanga.get_true_solar_longitude(ahargana)
tllong = panchanga.get_true_lunar_longitude(ahargana)
# Get lunar day (tithi)
tithi = panchanga.get_tithi(tllong, tslong)
tithi_day, ftithi = panchanga.get_tithi_set(tithi)
# Get naksatra
naksatra = panchanga.get_naksatra_name(tllong)
Features
- Date conversions (Gregorian ↔ Julian Day ↔ Ahargana)
- Vedic calendar era conversions (Kali, Saka, Vikrama)
- Lunar calculations (tithi, naksatra, yoga, karana)
- Solar calculations (saura masa, samkranti)
- Astronomical calculations (sun/moon longitudes)
- Sunrise time calculations
- Ayanamsa calculations
- Horoscope/birth chart calculations
Documentation
See API documentation for detailed usage.
Credits
Based on the Perl implementation by M. YANO and M. FUSHIMI (v3.14, 2014). Python port by Ayush Jha.
1 maintainer
Metadata
1 maintainer
Release files for panchanga 0.1.2
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