Tithi
Ekadashi Meaning
Ekadashi is the eleventh lunar day, widely observed as a fasting day. In panchang, tithi is calculated from the angular distance between the Sun and Moon, so its start and end time can vary by location.
In Simple Terms
Ekadashi is the eleventh lunar day, widely observed as a fasting day. Its exact use depends on the wider panchang context: tithi, nakshatra, yoga, karana, vaara, and local sunrise.