Nyinlong in Bhutan
Nyinlong in Bhutan is held on January 2. Or Winter Solstice. Dzongkha: ཉིན་ལོང་, Wylie: nyin long "return of the sun". This event in the first decade of the month january is annual.
National Day in Bhutan on December 17 (celebrates its National Day on 17 December, in commemoration of the day in 1907 when Gongsar Wangchuk was crowned the first king over a united Bhutan);
Traditional Day of Offerings in Bhutan on January 13 (celebrated on the first day of the twelfth month of the Bhutanese calendar. In eastern Bhutan, the first day of the 12th Bhutanese month is celebrated as a New Year);
King's Birthday in Bhutan on February 21 (Jigme Khesar Namgyal Wangchuk was born on February 21, 1980);
Birth Anniversary of Fifth Druk Gyalpo in Bhutan on February 21 (celebrated until February 23);
Death Anniversary of Zhabdrung on April 22 (Zhabdrung Kuchoe, the death anniversary of Zhabdrung Ngawang Namgyel, is a day in Bhutan to pay homage to the Bhutanese leader who first united Bhutan as a nation state. This important day is annually marked on the 10th day of the 3rd month of the Bhutanese calendar);
Mother’s Day on May 9 (Anguilla, Antigua and Barbuda, Aruba, Australia, Austria, Bahamas, Bangladesh, Barbados, Belgium, Belize, Bermuda, Bhutan, Bonaire, Botswana, Brazil, Brunei, Canada, Cambodia, Cayman Islands, Central African Republic, Chad, Chile, China, Colombia, Congo, Dem. Rep., Congo, Rep., Cote d'Ivoire, Croatia, Cuba, Curaçao, Cyprus, Czech Republic, Denmark, Dominica, Ecuador, Equatorial Guinea, Estonia, Ethiopia, Faroe Islands, Fiji, Finland, Germany, Gabon, Gambia, Greenland, Ghana, Greece, Grenada, Guyana, Honduras, Hong Kong, Iceland, India, Italy, Jamaica, Japan, Kenya, Latvia, Liberia, Liechtenstein, Macau, Malaysia, Malta, Myanmar, Namibia, Netherlands, New Zealand, Pakistan, Papua New Guinea, Peru, Philippines, Puerto Rico, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Samoa, Singapore, Sint Maarten, Slovakia, South Africa, Sri Lanka, Suriname, Switzerland, Taiwan, Tanzania, Tonga, Trinidad and Tobago, Turkey, Uganda, Ukraine, United States, Uruguay, Vietnam, Venezuela, Zambia, Zimbabwe)