Chhat is an ancient Hindu Vedic festival historically native to eastern uttar Pradesh, North Bihar of India and Mithila region of Nepal. The Chhat puja is dedicated to the Sun and his wife Usha in order to thank them for bestowing the bounties of life on earth and to request te granting of certain wishes. This festival is observed by Nepalese people and Indian people, along with their diaspora.
The sun, considered as the god of energy of life force, is worshiped during the Chhath festival to promote wel being, prosperity and progress. In Hinduism, sun worship is believed to help cure a variety of diseases, including leprosy, and helps ensure the longevity and prosperity of family members, friends and elders.
The rituals of the festoval are rigorous and are observed over a period of four days. They include holy bathing, fasting and abtaininh from drinking water , standing in water for long period of time, and offering prashad and arghya to the setting and rising sun.
Here are some of the shots taken during evening of Chhat festival in Kamalpokhari, Kathmandu, Nepal.
And, here is short video taken in the same evening: