Summer Solstice (The Longest Day)
Celebrate the Summer Solstice marking the longest day of the year in the Northern Hemisphere. Discover its history and ways to honor this astronomical event.
Wednesday
June 21
29 holidays and observances fall on this day.
World Giraffe Day
Celebrate World Giraffe Day on June 21 by raising awareness and supporting conservation efforts for the world's tallest land animals.
Go Skateboarding Day
Celebrate Go Skateboarding Day by hitting the streets and embracing the spirit of skateboarding. Discover the history and ways to participate in this global event.
International T-Shirt Day
Celebrate International T-Shirt Day on June 21 by honoring the cultural and personal significance of this iconic garment.
World Hydrography Day
Celebrate World Hydrography Day by exploring the vital role hydrography plays in maritime safety, environmental protection, and sustainable development.
World MotorCycle Day
Celebrate World Motorcycle Day on June 21 by embracing the freedom and adventure of motorcycling.
World Day of Music
World Day of Music is observed on June 21 to honor free public music, shared performances, and musical creativity.
International Yoga Day
Celebrate International Yoga Day by embracing the ancient practice of yoga. Discover its history, significance, and ways to participate in this event.
World Peace and Prayer Day
World Peace and Prayer Day is observed on June 21 for prayer, peace, sacred sites, and care for Mother Earth.
World Humanist Day
World Humanist Day is observed on June 21 to recognize humanist values, reason, compassion, and freedom of thought.
World Handshake Day
World Handshake Day is observed on June 21 to recognize handshakes, connection, peace, and goodwill across communities.
Shades for Migraine
Shades for Migraine is observed on June 21 to raise migraine awareness through wearing sunglasses and sharing support.
National Smoothie Day
National Smoothie Day is observed on June 21 to enjoy blended fruit drinks, creative recipes, and summer refreshment.
Cuckoo Warning Day
Cuckoo Warning Day is observed on June 21 to mark a playful weather-lore belief about cuckoo calls and wet summers.
National Selfie Day
National Selfie Day is observed on June 21 to enjoy selfies, self-expression, and photo-sharing.
National Peaches āNā Cream Day
National Peaches āNā Cream Day is observed on June 21 to enjoy ripe peaches, cream, and simple summer desserts.
Anne and Samantha Day
Anne and Samantha Day is observed on the summer and winter solstices to honor Anne Frank, Samantha Smith, and hopeful young voices.
National Dog Party Day
National Dog Party Day is observed on June 21 to celebrate dogs, safe play, social time, and the bond between pets and people.
National Cookie Dough Day
National Cookie Dough Day is observed on June 21 to enjoy edible cookie dough, baking memories, and safer sweet treats.
National Daylight Appreciation Day
National Daylight Appreciation Day is observed on June 21 to appreciate sunlight, daylighting, and the summer solstice.
National Seashell Day
National Seashell Day is observed on the first day of summer to enjoy seashells, beachcombing, and coastal wildlife.
National Yard Games Day
National Yard Games Day is observed on the first day of summer to enjoy lawn games, outdoor play, and friendly competition.
National Arizona Day
National Arizona Day is observed on June 21 to honor Arizonaās history, landscapes, and Grand Canyon State identity.
National Day of the Gong
National Day of the Gong is observed on June 21 to honor the gongās history, sound, creativity, and modern musical uses.
Canada's National Indigenous Peoples Day
Canada's National Indigenous Peoples Day is observed on June 21 to honor First Nations, Inuit, and MĆ©tis cultures.
Andean New Year
Andean New Year is observed on June 21 to mark the Southern Hemisphere winter solstice and Andean renewal traditions.
Shetland Flag Day in Scotland
Shetland Flag Day in Scotland is observed on June 21 to honor the Shetland flag, local identity, and Nordic-Scottish heritage.
National Day in Greenland
National Day in Greenland is observed on June 21 to honor Greenlandic identity, culture, and self-government.
Suffolk Day in England
Suffolk Day is celebrated on June 21 to honor the English countyās food, heritage, music, landscapes, and community life.
Coming up next
World Rainforest Day
World Rainforest Day is an international event aimed at promoting the significance of rainforests. It is commemorated annually on June 22.
World Bathing Day
World Bathing Day is observed on June 22 to celebrate bathing traditions, hot springs, and humanityās connection to water.
International Being You Day
International Being You Day is observed on June 22 to honor individuality, self-acceptance, and authentic self-expression.
World Camel Day
World Camel Day is observed on June 22 to recognize camels, dryland livelihoods, food security, and animal resilience.
Worldwide day of the VW Beetle
Worldwide Day of the VW Beetle is observed on June 22 to honor the classic Volkswagen Beetle and its enthusiast culture.
Positive Media Day
Celebrate Positive Media Day by promoting uplifting stories, inspiring journalism, and the power of media to spread hope and kindness.
B Kinder Day
B Kinder Day is observed on June 22 to honor Billie Kinder through kindness, empathy, and caring messages.
National Onion Ring Day
National Onion Ring Day is observed on June 22 to enjoy crispy onion rings, dipping sauces, and a favorite casual side dish.
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