Tuesday
September 23, 2025
18 holidays and observances fall on this day.
The September Equinox (Fall Equinox)
The September Equinox—usually is the moment the Sun crosses the celestial equator, ushering in fall in the Northern Hemisphere and spring in the Southern.
International Day of Sign Languages
International Day of Sign Languages promotes the human rights and linguistic identity of deaf people every September 23.
International Day of Sign Languages
International Day of Sign Languages on September 23 celebrates sign language diversity and raises awareness of deaf rights and inclusion worldwide.
Bisexuality Day
Celebrate Bisexuality Day on September 23 unites the bisexual community and allies to raise awareness, combat biphobia, and celebrate diversity. Join the
Restless Legs Awareness Day
Restless Legs Awareness Day on September 23 raises awareness for RLS, a condition causing uncontrollable leg urges. Learn about symptoms, treatments, and
Teal Talk Day
Teal Talk Day on September 23 raises ovarian cancer awareness. Learn the B.E.A.C.H. symptoms, wear teal, and start life-saving conversations.
Za’atar Day
Za’atar Day on September 23 celebrates the beloved Middle Eastern herb blend. Learn about its history, importance, and how to enjoy this versatile spice.
National Baker Day
National Baker Day is observed every September 23, a warm tribute to the craft and community spirit of bakers at work and at home.
Education Technology Day
Education Technology Day is observed every September 23, celebrating edtech’s impact on teaching and learning and the people who make it work.
National Great American Pot Pie Day
National Great American Pot Pie Day on September 23 celebrates a classic comfort food. Learn about its history, why it matters, and how to enjoy this
National Snack Stick Day
Celebrate National Snack Stick Day on September 23 with portable, protein-packed meat snacks. Learn history, importance, and fun ways to enjoy this tasty
Redhead Appreciation Day
Celebrate Redhead Appreciation Day on September 23. Learn about the history, importance, and ways to honor the rare beauty of red hair. Join the fun!
National AFM Day
National AFM Day on September 23 raises awareness about acute flaccid myelitis, a rare spinal cord condition causing sudden limb weakness. Learn symptoms
National Go With Your Gut Day
National Go With Your Gut Day on September 23 focuses on digestive health. Learn simple ways to support your gut with food, exercise, and stress relief.
National Checkers Day
National Checkers Day on September 23 honors political dogs and Richard Nixon's famous 1952 Checkers Speech. Celebrate candidate canines on this quirky
National Dogs in Politics Day
National Dogs in Politics Day on September 23 honors presidential pets and their role in American culture. Celebrate the beloved First Dogs and political
National Apple Cider Vinegar Day
National Apple Cider Vinegar Day on September 23 celebrates a pantry staple. Explore its history, why it matters, and fun ideas for food and cleaning.
Seed Gathering Season
Seed Gathering Season starts September 23, a month to collect seeds from trees and plants for conservation. Learn history, importance, and how to join.
Coming up next
World Bollywood Day
World Bollywood Day is celebrated every year on September 24, a cheerful, global nod to the music, dance, and storytelling of Hindi-language cinema.
World Gorilla Day
World Gorilla Day is observed every September 24, highlighting gorilla conservation with simple, practical actions anyone can take at home or in the community.
World Cancer Research Day
World Cancer Research Day is observed every September 24, highlighting the lifesaving impact of cancer research and simple ways anyone can support it.
Heritage Day
Heritage Day on September 24 celebrates cultural diversity and encourages learning about our own and others' traditions. Discover history, importance, and
National Punctuation Day
National Punctuation Day is celebrating the marks that make writing clear and offering simple, friendly ways to sharpen your punctuation skills.
National Women’s Health And Fitness Day
National Women’s Health and Fitness Day encourages women of all ages to prioritize health and fitness through community events and awareness.
National Horchata Day
National Horchata Day on September 24 celebrates the sweet, milky Mexican drink made from rice, milk, and cinnamon. Learn its history and how to enjoy it.
National Mofongo Day
National Mofongo Day on September 24 honors Puerto Rico's beloved dish of mashed plantains, garlic, and pork. Celebrate this iconic taste of the island.