What is ekadashi tithi?

Ēkādaśī, also spelled as Ēkādaśi, is the eleventh lunar day of each of the two lunar phases which occur in an vedic calendar month - the Shukla Pakṣa and the Kṛṣṇa Pakṣa. Ēkādaśī ("Eleventh"), also spelled as Ēkādaśi, is the eleventh lunar day (tithi) of each of the two lunar phases which occur in an vedic calendar month - the Shukla Pakṣa (the period of the brightening moon also known as the waxing phase) and the Kṛṣṇa Pakṣa (the period of the fading moon also known as the waning phase. In Vedic timekeeping, a tithi is a lunar day, or the time it takes for the longitudinal angle. Ekadashi of Krishna Paksha (the waning phase of Moon) of Bhadrapada month is known as Aja Ekadashi. Ekadasi has a special spritual significance. What is the tithi for Kamika Ekadashi puja? The Kamika Ekadashi 2020 tithi begins on 10:19 PM on July 15, 2020, and the tithi ends at 11:44 PM.