International Observances - 2027

A curated set of international observances (fixed and rule-based).

Observance dates

ObservanceDate
New Year's Day
Gregorian calendar new year.
2027-01-01
World Braille Day2027-01-04
World Logic Day2027-01-14
International Day of Education2027-01-24
International Day of Clean Energy2027-01-26
International Day of Commemoration in Memory of the Victims of the Holocaust2027-01-27
World Wetlands Day
A day to raise awareness about the value of wetlands for humanity and the planet.
2027-02-02
International Day of Women and Girls in Science
A day to promote full and equal access to and participation in science for women and girls.
2027-02-11
World Radio Day2027-02-13
Valentine's Day
Cultural celebration of romance.
2027-02-14
World Day of Social Justice2027-02-20
International Mother Language Day2027-02-21
World Wildlife Day2027-03-03
International Women's Day
A global day celebrating the achievements of women.
2027-03-08
International Day of Happiness
A day to recognize the importance of happiness and well-being in public policy goals.
2027-03-20
International Day of Forests2027-03-21
World Poetry Day2027-03-21
World Water Day2027-03-22
World Meteorological Day2027-03-23
International Day of Zero Waste2027-03-30
World Autism Awareness Day2027-04-02
International Day of Conscience2027-04-05
International Day of Sport for Development and Peace2027-04-06
World Health Day
WHO global health awareness day.
2027-04-07
World Art Day2027-04-15
Earth Day
Environmental protection and awareness.
2027-04-22
International Mother Earth Day
A UN day to reaffirm commitments to protect and restore the planet.
2027-04-22
World Book and Copyright Day2027-04-23
International Day of Multilateralism and Diplomacy for Peace2027-04-24
International Jazz Day2027-04-30
World Press Freedom Day2027-05-03
International Mothers' Day (Global Observance)2027-05-09
International Day of Families
UN awareness day for families.
2027-05-15
International Day of Light2027-05-16
International Day of Living Together in Peace2027-05-16
World Telecommunication Day
ICT and connectivity awareness.
2027-05-17
World Fair Play Day2027-05-19
World Bee Day2027-05-20
World Day for Cultural Diversity for Dialogue and Development2027-05-21
World Meditation Day2027-05-21
International Day for Biological Diversity2027-05-22
International Day of United Nations Peacekeepers2027-05-29
World Milk Day2027-06-01
World Bicycle Day2027-06-03
International Day for the Fight against Illegal, Unreported and Unregulated Fishing2027-06-05
World Environment Day
UN environment awareness day.
2027-06-05
World Oceans Day
Ocean conservation awareness.
2027-06-08
International Albinism Awareness Day2027-06-13
International Day of the African Child2027-06-16
World Refugee Day2027-06-20
International Day of Yoga2027-06-21
International Day of the Seafarer2027-06-25
International Day against Drug Abuse and Illicit Trafficking2027-06-26
Micro-, Small and Medium-sized Enterprises Day2027-06-27
World Humanitarian Logistics Day2027-06-28
International Day of Parliamentarism2027-06-30
International Day of Cooperatives2027-07-03
World Population Awareness Day2027-07-11
World Population Day
Population and development awareness.
2027-07-11
World Youth Skills Day2027-07-15
Nelson Mandela International Day2027-07-18
International Moon Day2027-07-20
World Drowning Prevention Day2027-07-25
International Day of Friendship2027-07-30
International Mountain Biking Day2027-07-30
World Day against Trafficking in Persons2027-07-30
International Day of the World's Indigenous Peoples2027-08-09
International Youth Day
Youth initiatives and voices.
2027-08-12
International Day for the Remembrance of the Slave Trade and its Abolition2027-08-23
World Maritime Day2027-09-02
International Day of Charity2027-09-05
International Day of Clean Air for blue Skies
A day to promote solutions that improve air quality and protect human health.
2027-09-07
International Literacy Day
Literacy and education awareness.
2027-09-08
Programmer's Day
Celebrated on the 256th day of the year.
2027-09-13
International Day of Democracy
A day to review the state of democracy and promote democratic principles worldwide.
2027-09-15
International Coastal Cleanup Day2027-09-18
World Cleanup Day
A global civic movement that unites millions of volunteers to clean up waste and mismanaged trash.
2027-09-18
International Day of Peace
Strengthening ideals of peace.
2027-09-21
International Day of Sign Languages2027-09-23
World Tourism Day2027-09-27
International Day for Universal Access to Information2027-09-28
International Day of Awareness of Food Loss and Waste
A day to highlight the importance of reducing food loss and waste for people and the planet.
2027-09-29
International Translation Day2027-09-30
International Day of Older Persons2027-10-01
World Smile Day
First Friday in October.
2027-10-01
International Day of Non-Violence
A day to disseminate the message of non-violence through education and public awareness.
2027-10-02
World Habitat Day
First Monday of October — sustainable cities.
2027-10-04
World Space Week (Opening Day)2027-10-04
World Teachers' Day
Celebrating teachers worldwide.
2027-10-05
International Day of the Girl Child2027-10-11
International Day for Disaster Risk Reduction2027-10-13
International Day of Rural Women
A day to recognize the critical role and contribution of rural women.
2027-10-15
World Food Day2027-10-16
World Statistics Day2027-10-20
United Nations Day
UN Charter anniversary.
2027-10-24
United Nations Day
Marks the anniversary of the entry into force of the UN Charter.
2027-10-24
World Development Information Day
A day to draw attention to development problems and the need to strengthen international cooperation.
2027-10-24
World Day for Audiovisual Heritage2027-10-27
International Day to End Impunity for Crimes against Journalists
A day to condemn attacks against journalists and media workers and to seek justice for crimes against them.
2027-11-02
World Tsunami Awareness Day2027-11-05
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
A day to highlight the environmental impact of armed conflicts and the need to protect ecosystems.
2027-11-06
World Science Day for Peace and Development2027-11-10
World Kindness Day2027-11-13
World Diabetes Day
Diabetes awareness.
2027-11-14
International Day for Tolerance
A day to foster mutual understanding among cultures and peoples.
2027-11-16
World Philosophy Day2027-11-18
World Children's Day2027-11-20
World Day of Remembrance for Road Traffic Victims
Observed on the third Sunday of November to remember those killed and injured on the roads.
2027-11-21
International Day of Solidarity with the Palestinian People2027-11-29
World AIDS Day
HIV/AIDS awareness.
2027-12-01
World Disability Day2027-12-03
International Volunteer Day2027-12-05
World Soil Day2027-12-05
International Civil Aviation Day2027-12-07
International Anti-Corruption Day2027-12-09
Human Rights Day
UN Universal Declaration anniversary.
2027-12-10
International Mountain Day2027-12-11
International Universal Health Coverage Day2027-12-12
World Arabic Language Day2027-12-18
International Human Solidarity Awareness Day2027-12-20