Sunday
October 31
21 holidays and observances fall on this day.
National Knock Knock Joke Day
On October 31st, alongside Halloween, many in the U.S. and beyond celebrate National Knock Knock Joke Day.
Reformation Day
Reformation Day commemorates Martin Luther’s challenge to church practices in 1517 and invites reflection on faith, renewal and conscience.
Halloween
Halloween, with its rich history and myriad of traditions, continues to captivate the hearts of both the young and the old.
Samhain
Samhain on November 1 (from October 31) marks the Celtic end of harvest and honors nature's seasonal shift and remembrance.
World Savings Day
World Savings Day promotes the importance of saving money, financial literacy, and preparing for the future through mindful saving habits.
World Cities Day
World Cities Day raises awareness about the power of cities and the need for inclusive, safe, resilient and sustainable urban development.
Trick‑or‑Treat for UNICEF Day
Trick‑or‑Treat for UNICEF Day on October 31 invites kids and families to collect donations for UNICEF and support children worldwide.
International Black Sea Action Day
International Black Sea Action Day is observed on October 31 each year to focus attention on the shared sea’s environmental challenges and encourage cooperative regional action.
World Lemur Day
Celebrate World Lemur Day on the last Friday of October—a global day recognizing the unique lemurs of Madagascar and raising awareness of their conservation.
Nevada Day
Celebrate Nevada Day, the annual holiday honoring Nevada’s admission to the United States on October 31, 1864.
Magic Day
Magic Day on October 31 celebrates illusion, honors Houdini, and invites everyone to enjoy a sense of wonder and surprise.
Frankenstein Friday
Celebrate Frankenstein Friday on the last Friday of October with a fun, thoughtful nod to Mary Shelley's classic novel and its evergreen themes of creation, responsibility, and humanity.
National Caramel Apple Day
Celebrate National Caramel Apple Day by enjoying a caramel-dipped apple, or making your own, and embracing the flavours of autumn.
Carve a Pumpkin Day
Carve a Pumpkin Day on October 31 invites everyone to carve, decorate and enjoy the season’s most creative autumn ritual.
Sneak Some of the Candy Yourself Before the Kids Start Knocking Day
Sneak Some of the Candy Yourself Before the Kids Start Knocking Day on October 31 celebrates a fun Halloween moment for candy‑giving hosts.
Scare a Friend Day
Celebrate Scare a Friend Day on October 31 by surprising a friend with a safe, funny prank that strengthens your bond and creates a memorable laugh.
National Doorbell Day
Celebrate National Doorbell Day by honouring the chime of arrival, greeting visitors mindfully, and recognising the little sound that opens doorways.
National Increase Your Psychic Powers Day
The National Increase Your Psychic Powers Day is observed every year on October 31, offering a fun and introspective opportunity to explore intuition, awareness, and whatever “psychic” potential might lie…
National Breadstick Day
Celebrate National Breadstick Day on the last Friday in October with warm, delicious breadsticks—learn about their Italian origins, why this simple snack brings joy, and how you can join in the fun.
Girl Scout Founder’s Day
Girl Scout Founder’s Day honors Juliette Gordon Low and celebrates the legacy of the Girl Scouts through service and reflection.
Bandana Day
Celebrate Bandana Day on the last Friday in October by wearing a bandana to show support for young people affected by cancer.
Coming up next
Day of the Dead
Celebrate Day of the Dead on November 1 and 2 by honoring loved ones with candles, flowers, and memories in a colorful tradition of remembrance.
All Saints' Day
All Saints’ Day, observed on November 1, honors all Christian saints—known and unknown—and invites believers to reflect on faith, legacy, and community.
Color the World Orange Day
Learn about Color the World Orange Day — raise awareness for CRPS/RSD, find history, importance and ways to show support.
World Vegan Day
Celebrate World Vegan Day on November 1 to explore veganism’s benefits for animals, the planet, and personal well‑being. Learn its origins, significance, and easy ways to join in.
International Pet Groomer Appreciation Day
Celebrate International Pet Groomer Appreciation Day by thanking the professionals who keep our pets clean, healthy and stylish.
Prime Meridian Day
Celebrate Prime Meridian Day on November 1 to honor the global line of 0° longitude, discover its role in navigation and timekeeping, and explore how geography and international cooperation shape our world.
National Author's Day
Celebrate National Author’s Day by appreciating the authors in your life, reading or buying a book, and recognising the creativity behind every story.
National Family Caregivers Month
National Family Caregivers Day, observed during National Family Caregivers Month each November, honors unpaid caregivers and raises awareness of their essential role, challenges and need for support.
Browse the calendar
Fewer
More holidays
Bookmarked