2025 International Holiday Calendar
How to use the International Holiday Calendar
This International Holiday Calendar template is pre-populated with U.S. holidays, federally-declared “special” days and observations, multinational festivals, and international and world days declared by the United Nations.
Please note that the calendar contains most, but not all, of the days and holidays from the categories above. Please add or remove any days that make sense for your use cases. For reference, here are the sources used to populate this calendar:
Uses for the International Holiday Calendar
This International Holiday Calendar is great for anyone who creates content on a regular basis, such as teachers, marketers, social media managers, and even parents and families.
You can use this template to organize lesson plans, blog posts, social media posts, or other events to align with culturally significant moments throughout the year.
A few example uses include:
Planning themed lessons or activities
Themed party and event plans
Timely icebreakers and team-building events
Seasonal marketing campaigns
Social media content planning
Family activities
List of holidays, international days, and other festivities
Below is a list of all national and international days included in this calendar organized by holidays, international/world days, and “special” days and observations.
January
1 - New Year's Day
4 - World Braille Day
20 - Martin Luther King, Jr. Day (3rd Monday)
24 - International Day of Education
27 - International Day of Commemoration in Memory of the Victims of the Holocaust
February
2 - Groundhog Day
2 - World Wetlands Day
2 - World Interfaith Harmony Week
4 - International Day of Human Fraternity
5 - World Interfaith Harmony Week
10 - World Pulses Day
11 - International Day of Women and Girls in Science
13 - World Radio Day
14 - Valentine's Day
15 - Susan B. Anthony Day
17 - President's Day (3rd Monday)
20 - World Day of Social Justice
21 - International Mother Language Day
28 - Ramadan begins
March
1 - Zero Discrimination Day
1 - World Seagrass Day
3 - World Wildlife Day
8 - International Women's Day
10 - Harriet Tubman Day
10 - International Day of Women Judges
14 - Holi (changes every year)
17 - St. Patrick's Day
18 - National Poison Prevention Week (Third Week in March)
20 - International Day of Happiness
20 - French Language Day
20 - Spring equinox
21 - World Poetry Day
21 - World Down Syndrome Awareness Day
21 - International Day of Forests
22 - World Water Day
23 - World Meteorological Day
25 - International Remembrance Day for Victims of Slavery
29 - National Vietnam War Veterans Day
30 - International Day of Zero Waste
30 - Ramadan ends
April
1 - April Fool's Day
2 - World Autism Awareness Day
5 - International Day of Conscience
6 - International Day of Sport
7 - World Health Day
12 - International Day of Human Space Flight
13 - Thomas Jefferson's Birthday
20 - Chinese Language Day
20 - Easter (changes)
21 - World Creativity and Innovation Day
22 - International Earth Day
23 - English Language Day
23 - Spanish Language Day
30 - International Jazz Day
May
1 - Law Day, USA
1 - Loyalty Day
2 - World Tuna Day
2 - National Day of Prayer
3 - World Press Freedom Day
4 - Star Wars Day
5 - Cinco de Mayo
5 - Portuguese Language Day
11 - Mother's Day (Second Sunday)
12 - International Day of Plant Health
13 - World Migratory Bird Day
15 - Peace Officers Memorial Day
15 - International Day of Families
16 - International Day of Living Together in Peace
16 - International Day of Light
17 - National Defense Transportation Day (Third Friday)
17 - National Safe Boating Week (Week ending on the Friday before Memorial Day)
20 - World Bee Day
21 - International Tea Day
21 - World Day for Cultural Diversity
22 - National Maritime Day
22 - International Day for Biological Diversity
26 - Memorial Day (Last Monday)
June
1 - Global Day of Parents
2 - World Bicycle Day
5 - World Environment Day
6 - Russian Language Day
8 - World Oceans Day
13 - International Albinism Awareness Day
14 - Flag Day
14 - World Blood Donor Day
15 - Father's Day, U.S. (third Sunday)
18 - Sustainable Gastronomy Day
19 - Juneteenth
20 - Summer solstice
20 - World Refugee Day
21 - International Day of Yoga
30 - International Asteroid Day
July
4 - Independence Day, U.S.
7 - World Kiswahili Language Day
18 - Nelson Mandela Day
20 - International Moon Day
20 - World Chess Day
27 - Korean War Veteran Armistice Day
30 - International Day of Friendship
August
9 - International Day of the World's Indigenous Peoples
12 - International Youth Day
19 - National Aviation Day, U.S.
19 - World Humanitarian Day
31 - International Day for People of African Descent
September
1 - Labor Day (First Monday), U.S.
5 - International Day of Charity
7 - National Grandparents Day (Sunday after Labor Day)
7 - International Day of Clean Air
8 - International Literacy Day
11 - Patriot day
15 - Rosh Hashanah (9/15-17, changes)
15 - International Day of Democracy
17 - Constitution and Citizenship Day
18 - International Equal Pay Day
21 - International Day of Peace
22 - Fall equinox
23 - International Day of Sign Language
27 - World Tourism Day
28 - World Maritime Day
28 - Gold Star Mother's Day (Last Sunday)
29 - International Day of Awareness of Food Loss and Waste
30 - International Translation Day
October
1 - International Day of Older Persons
1 - Yom Kippur (changes)
2 - World Habitat Day
2 - International Day of Non-Violence
5 - World Teacher's Day
6 - Child Health Day (First Monday)
7 - World Cotton Day
10 - World Mental Health Day
14 - Indigenous Peoples' Day (second Monday)
16 - World Food Day
17 - International Day for the Eradication of Poverty
20 - Diwali (Changes)
21 - National Forest Products Week (Third Sunday)
24 - United Nations Day
31 - Halloween
31 - World Cities Day
November
1 - Dia De Los Muertos (The Day of the Dead) (11/1-11/2)
5 - World Tsunami Awareness Day
10 - World Science Day for Peace + Development
11 - Veterans Day
14 - World Diabetes Day
16 - World Philosophy Day
16 - International Day for Tolerance
27 - Thanksgiving Day (fourth Thursday)
December
1 - World AIDS Day
2 - International Day for the Abolition of Slavery
3 - International Day of Persons with Disabilities
5 - World Soil Day
7 - Pearl Harbor Remembrance Day
10 - Human Rights Day
11 - International Mountain Day
14 - Hanukkah (12/14-12/22, changes)
17 - Wright Brothers Day
17 - Pan American Aviation Day
18 - International Migrants Day
18 - Arabic Language Day
24 - Christmas Eve
25 - Christmas Day
31 - New Year's Eve
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