Traditional Day of Offering (Dzongkha: བུ་ལྭ་ཕེུ་ཝི་ཉིམ; Wylie: buelwa phuewi nyim), known as Chunipa Losar is a traditional Bhutanese New Year celebrated in Bhutan on the 1st day of the 12th month in the Bhutanese lunar calendar.

[1][2] The day is a national public holiday and usually falls in January or February of the Gregorian calendar.

[2][5] The day is celebrated to express love, gratitude and reverence to Zhabdrung Ngawang Namgyal who founded Bhutan as a nation.

[1] The Traditional Day of Offering known as Buelwa Phuewi Nyim originated when the representatives from all over the Bhutan offerred Buelwa, to Zhabdrung at Punakha Dzong on this day to show their gratitude for unifying the country in the 17th century.

[1] Due to its significance, Zhabdrung chose this day as the time to change the officials of his new government and monastic body in Punakha.

[1] The Traditional Day of Offering (Chunipa Losar), 2025 falls on Thursday the 30th of January 2025.