International Asteroid Day
Join International Asteroid Day to remember the Tunguska event, learn about asteroid science, and support global efforts in planetary defense.
Monday
June 30
10 holidays and observances fall on this day.
International Sailor Moon Day
Celebrate International Sailor Moon Day honoring Usagi’s character, her message of friendship and empowerment, and a vibrant fan community through cosplay, rewatching, and creative tributes.
International Day of Parliamentarism
International Day of Parliamentarism is observed on June 30 to recognize parliaments, representation, and democratic accountability.
Social Media Day
Celebrate Social Media Day honoring how digital platforms connect us, shape ideas, and spark change, while encouraging mindful, meaningful use.
National Meteor Watch Day
National Meteor Watch Day is observed on June 30 to enjoy stargazing, meteors, and simple night-sky science.
National OOTD Day
National OOTD Day is observed on June 30 to share outfits, personal style, and everyday fashion confidence.
National Organization for Women Day
National Organization for Women Day is observed on June 30 to recognize NOW’s founding and women’s rights advocacy.
Please Take My Children to Work Day
Please Take My Children to Work Day is observed on the last Monday in June to give stay-at-home parents a break.
Philippine-Spanish Friendship Day
Philippine-Spanish Friendship Day is observed on June 30 to honor Philippine-Spanish ties and the Baler reconciliation.
Congo Independence Day
Congo Independence Day is observed on June 30 to honor the Democratic Republic of the Congo’s independence from Belgium.
Coming up next
Early Bird Day
🕊 The Early Bird Day holiday is a special day to celebrate those who wake up early in the morning.
International Joke Day
International Joke Day is observed on July 1 to enjoy jokes, comedy, laughter, and friendly humor.
International Reggae Day
International Reggae Day is observed on July 1 to honor Jamaican reggae music, creative culture, and its global influence.
Blink 182 Day
Blink 182 Day is observed on the 182nd day of the year to honor the pop-punk band and its fan culture.
International Chicken Wing Day
International Chicken Wing Day is observed on July 1 to enjoy wings, sauces, and casual food traditions.
Content Independence Day
Content Independence Day is marked on July 1 to spotlight content control, AI crawler access, and creator compensation.
American Zoo Day
Celebrate American Zoo Day to honor the Philadelphia Zoo's legacy, support wildlife conservation, and appreciate modern zoos as centers for education, research, and animal well-being.
Second Half of the New Year Day
Second Half of the New Year Day is observed on July 1 as a midyear checkpoint for goals, plans, and personal routines.
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