Dhanu Sankranti is a Hindu festival celebrating the sun's transit into the zodiac sign Sagittarius (

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Rashi). It marks the beginning of the auspicious ninth month of the traditional Hindu year, Dhanurmas, which is dedicated to the worship of Vishnu and Lord Surya (the sun god). Celebrations include offering water to the sun, bathing in sacred rivers, and performing special pujas, often in the month of December.