FLIP DAY™
MONTHLY
Flip Day marks the first day of each month (or year!) when you flip your calendar to reveal a fresh, new page. To celebrate, we've created this monthly feature highlighting fun holidays, events, and birthdays to make every day worth flipping for!
Each month, we gather festive occasions, quirky holidays, and exciting events to inspire joy and curiosity. From national celebrations to unique moments, there's something for everyone. Explore this month's lineup below and make your days a little brighter!
September Holidays, Day by Day
September 1 — National Ginger Cat Appreciation Day
Orange cats have a reputation for big personalities. Today's the day to celebrate yours, or admire someone else's from a safe distance. Shop cat calendars.
September 2 — Calendar Adjustment Day
A day built right into the calendar to make sure you actually update it. Fitting, and honestly overdue for most of us.
September 3 — National Skyscraper Day
Marks the 1913 completion of the Woolworth Building, once the tallest in the world. A good day to look up.
September 4 — National Wildlife Day
Started to honor conservationist Steve Irwin, this day highlights endangered species and the habitats that protect them.
September 5 — International Bacon Day
The Friday before Labor Day, unofficially, but bacon doesn't need an official excuse.
September 6 — Read a Book Day
Summer reading lists are over. Pick something just because you want to.
September 7 — National Beer Lovers Day
A day for the hop-curious and the six-pack loyal alike.
September 8 — Star Trek Day
The original series premiered on this day in 1966. Live long, and check your streaming queue.
September 9 — International Sudoku Day
Named for the date itself: 9/9, a 9x9 grid. Grab a pencil.
September 10 — R U OK? Day
A reminder to check in on the people around you, especially the ones who seem fine.
September 11 — National Day of Service and Remembrance
A day to reflect and to give back, in whatever way feels right where you are.
September 12 — National Video Games Day
From arcade cabinets to consoles to whatever's on your phone right now, this one's for all of it.
September 13 — Supernatural Day
13 on the 13th, marking all things eerie, unexplained, and slightly too coincidental.
September 14 — National Coloring Day
Turns out coloring books aren't just for kids. Stress relief has no age limit.
September 15 — National Double Cheeseburger Day
One patty is a compromise. Today, no compromises.
September 16 — Pet Promise Day
A day to recommit to the animals who never ask for much beyond food, walks, and you being home.
September 17 — International Country Music Day
Trucks, heartbreak, and a fiddle solo. A genre that knows exactly what it is.
September 18 — U.S. Air Force Day
Marks the founding of the Air Force as its own branch in 1947. A nod to everyone who's served in it since.
September 19 — Batman Day
Celebrating Gotham's night shift since his first appearance in 1939. Shop entertainment calendars.
September 20 — National Pepperoni Pizza Day
The default order for a reason. No notes needed.
September 21 — National New York Day
Marks the day New York became the 11th state in 1788. A big claim for a small island borough.
September 22 — Hobbit Day
The shared birthday of Bilbo and Frodo Baggins. Second breakfast is technically optional, but encouraged.
September 23 — First Day of Autumn
The fall equinox marks equal parts day and night, and the unofficial start of sweater weather. Shop 2027 calendars.
September 24 — Bluebird of Happiness Day
A small, cheerful reminder that happiness doesn't have to be complicated.
September 25 — National Comic Book Day
For long-boxes, back issues, and whatever's currently sitting in your pull list. Shop Marvel calendars.
September 26 — International Rabbit Day
The last Saturday of September, celebrating rabbits as pets, wildlife, and the occasional escape artist.
September 27 — World Tourism Day
A nod to travel, wherever it takes you next. Shop travel and scenic calendars.
September 28 — National Family Day
Started as a reminder that regular family dinners matter. An easy one to actually observe.
September 29 — National Coffee Day
Every coffee shop's biggest promo day of the year, and a fair excuse for a second cup.
September 30 — National Love People Day
A simple closer to the month: be a little kinder to the people around you today.
