How this panchangam is computed

This panchangam is computed from the positions of the Sun and Moon, with the Lahiri ayanamsha. The pages below explain the calculations and the rules used to determine observance dates.

The daily panchangam

View the daily panchangam and select your city for local sunrise, sunset and calculated timings.

The five parts

Tithi: the lunar day, determined by the Moon's longitude relative to the Sun.
Nakshatra: the Moon's position within one of 27 divisions of the sidereal zodiac.
Yoga: determined by adding the Sun's and Moon's sidereal longitudes.
Karana: half a tithi, measured as a six-degree interval.
Vara: the weekday, reckoned from local sunrise.

Traditional time periods

Rahu Kalam: a division of daylight selected by weekday.
Gowri panchangam: a weekday sequence of named periods.

Calendar methods

Drik and vakya: different astronomical methods and their effects on timings.
Sankranti and the calendar date: regional rules for assigning a solar transition to a day.

Observance rules

Pradosham · Ekadashi · Sankashti · Masik Shivaratri

Data

How the dates are worked out
Data and credits
Panchangam data through the JSON API