Hindu festivals, with the date logic visible.

Why this date?

Falls when Moon is in Thiruvonam (Shravana) nakshatra during Chingam month (Malayalam calendar). This nakshatra-based calculation determines the main Onam day, typically in August-September.

Why this date?

Falls on Ashadha Shukla Purnima (full moon in Ashadha month). Also known as Vyasa Purnima, honoring the sage who organized the Vedas, typically in July.

Why this date?

Fixed on August 15 in the Gregorian calendar. This is a national holiday marking the date when India gained independence from British rule in 1947.

Why this date?

Falls on Shravana Shukla Purnima (full moon in Shravana month). The auspicious full moon of Shravana is chosen for this sibling bond celebration, typically in August.

Why this date?

Falls on Bhadrapada Krishna Ashtami (8th day of dark fortnight), with the observance centered on the midnight nishita period. Rohini nakshatra is an important traditional consideration in some Panchangs, so regional variants can differ, typically in August-September.

Why this date?

Falls on Bhadrapada Shukla Chaturthi (4th day of bright fortnight in Bhadrapada). Chaturthi is Ganesha's sacred tithi, and this one in Bhadrapada marks his birth, typically in August-September.

Why this date?

Falls on Bhadrapada Shukla Chaturdashi (14th day of bright fortnight in Bhadrapada). This is 10 days after Ganesh Chaturthi, marking the conclusion of Ganesh festival, typically in September.

Why this date?

Fixed on October 2 in the Gregorian calendar. This is a national holiday celebrating the birth anniversary of Mohandas Karamchand Gandhi, born on this date in 1869.

Why this date?

Starts on Ashwin Shukla Pratipada (1st day of bright fortnight in Ashwin) and lasts 9 nights until Navami. The waxing moon phase is considered ideal for invoking Shakti, typically in September-October.

Why this date?

Starts on Ashwin Shukla Shashthi (6th day of bright fortnight in Ashwin) during Navaratri. The last 5 days of Navaratri are the main celebration, ending on Dashami with Vijaya, typically in October.

Why this date?

Falls on Ashwin Shukla Dashami (10th day of bright fortnight in Ashwin). This is the day after Navaratri ends, commemorating Rama's victory over Ravana, typically in October.

Why this date?

Falls on Kartik Krishna Chaturthi (4th day of dark fortnight in Kartik). The fast is broken only after sighting the moon through a sieve, typically in October-November.

Why this date?

Falls on Kartik Krishna Amavasya (new moon in Kartik month). The darkest night of the year is illuminated with lamps, symbolizing the triumph of light over darkness, typically in October-November.

Why this date?

Falls on Kartik Shukla Pratipada (1st day of bright fortnight in Kartik), the day after Diwali. Marks the start of new Vikram year in Gujarat, typically in October-November.

Why this date?

Falls on Kartik Shukla Dwitiya (2nd day of bright fortnight in Kartik). Two days after Diwali, it celebrates the sibling bond when Yama visited his sister Yamuna, typically in October-November.

Why this date?

Falls on Kartik Shukla Shashthi (6th day of bright fortnight in Kartik). Six days after Diwali, devotees worship the Sun God with offerings at sunrise and sunset, typically in October-November.

Why this date?

Falls on Kartik Shukla Purnima (full moon in Kartik month). Exactly 15 days after Diwali (Amavasya), when the moon reaches full phase, typically in November.

Why this date?

Calculated when the Sun enters Makara (Capricorn) rashi in sidereal zodiac. This is one of the few solar-based Hindu festivals, occurring around January 14-15 each year when the Sun crosses 270° sidereal longitude.

Why this date?

Coincides with Makar Sankranti when the Sun enters Makara (Capricorn) rashi. This solar event marks the harvest season in Tamil Nadu, occurring around January 14-15.

Why this date?

Fixed on January 26 in the Gregorian calendar. This is a government holiday commemorating the date when India's Constitution came into effect in 1950.