Final answer:
In the Northern states of India, Karva Chauth is widely celebrated on the fourth day after the full moon night, especially by married Hindu women. They fast from sunrise to moonrise for the wellbeing and longevity of their husbands. Different regions in India may have different customs and celebrations.
Step-by-step explanation:
In the Northern states of India, the fourth day after the full moon night is widely celebrated as Karva Chauth. This is a festival predominantly observed by married Hindu women for the wellbeing and longevity of their husbands. The celebration of Karva Chauth involves fasting from sunrise to moonrise and breaking the fast only after sighting the moon. In India's Northern states, the fourth day is widely celebrated as Teej.
However, festivals can vary widely across different regions in India, so it's important to note that while Karva Chauth is a well-known fourth day celebration, other celebrations might be observed depending on cultural and regional differences.
Learn more about Karva Chauth