Hindu Tithi โ All 15 Lunar Days
Each of the 30 days in a Hindu lunar month has a tithi โ a sacred quality that determines what is auspicious, which deity is active, and what rituals are most effective.
A tithi is a lunar day โ the time it takes for the Moon to move 12ยฐ ahead of the Sun. The most important tithis: Amavasya (new moon, ancestor worship), Purnima (full moon, Vishnu puja), Ekadashi (11th, Vishnu fast), Chaturthi (4th, Ganesha), and Chaturdashi (14th, Shiva). Today's tithi is determined by what is active at sunrise.
A tithi is defined as the time it takes for the Moon to move 12ยฐ ahead of the Sun. Since the Moon moves faster than the Sun, it covers 12ยฐ roughly every 19โ26 hours. A lunar month has 30 tithis: 15 in the bright fortnight (Shukla Paksha, new moon to full moon) and 15 in the dark fortnight (Krishna Paksha, full moon to new moon).
Because tithis don't align perfectly with solar days, the same tithi may span parts of two calendar days. Panchangs specify which tithi is active at sunrise โ this governs the day's auspiciousness.