WD-40 Day
When is WD-40 Day? This holiday is always observed on September 30
WD-40 is a fabulous lubricant with countless uses. So, it is only fitting that today is WD-40 Day. It is a September 30 holiday that we celebrate on the day after Duct Tape Day. These holidays are side by side because they compliment each other in the repair and Fix-It toolbox. One stops things from moving, while the other gets things moving and unstuck.
In 1953, the Rocket Chemical Company invented WD-40. It took them 40 tries to get the formula right. Since then, the formula has not been changed. After all, how can you improve upon perfection!? As we explored this remarkable lubricant, we were amazed at breadth of types of uses. For example, we discovered that when you spray it on a snow shovel, ice and snow will not stick to the shovel. That’s one trick I intend to use this winter.
Uses for WD-40
This remarkable lubricant has countless uses. It beats other products. Here are just a few examples:
- Oil a bike chain.
- Lubricate gears and rollers.
- Take the squeak out of zippers.
- Fix stuck hinges.
- Spray on tools to remove rust.
- Dissolves glue.
- Dissolve rust on bolts and screws.
- Prevents snow and ice buildup on snow shovels.
- Remove toilet stains. Helps to remove a ring from your hand.
- Separate stuck or fused Legos.
- Clean battery connections.
WD-40 Day Trivia
Here is some interesting WD-40 trivia:
- Rocket Chemical Company created this product in 1953. It took 40 tries to get the formula right. To date, the formula has never changed.
- The company currently manufactures over 40 million gallons of WD-40 each year.
- Unsurprisingly, the name “WD-40” means “Water Displacement, 40th formula.
- The formula remains a well-guarded trade secret.
- It was invented as a lubricant and for rust prevention on the Atlas rocket.
- It has an extremely low freeze temperature of -81.4° F.
- It kills small bugs.
- Contrary to some rumors, it does not cure arthritis.
- Duck tape and WD-40 are sometimes referred to as a “Redneck Repair Kit”.
How to Celebrate WD-40 Day
Celebrating this holiday is fun and easy. Accordingly, here are some ideas:
- Only use WD-40 for lubrication projects today. No other oil or lubricant will do.
- If a project calls for another oil or lubricant, wait until tomorrow to do the project.
- Go around your home, garage, and place of employment looking for things that need a little oil. Squeaky door hinges are a prime target.
- If you do not have a can of WD-40, then go to the store and buy a can.
- Give cans of this lubricant away to family and friends.
- Post on social media examples how you used it.
Today's Quote
“If it moves, use duct tape. If it doesn’t move, use WD-40.” Author Unknown
History and Origin of WD-40 Day
In 2026, Bob Matthews, owner of HolidayInsights.com created WD-40 Day. Immediately after creating Duct Tape Day on September 29, he realized that WD-40 and duct tape go hand in hand when fixing things. Certainly, everyone knows that if it moves, you use duct tape. And if it doesn’t, you need WD-40. Therefore, it only made sense to create this holiday.
Recognizing that WD-40 and duct tape go together in the handyman’s toolbox, Matthews established September 3o to celebrate this holiday because it is the day after Duct Tape Day.
This Day in History
Many important and historical events and notable birthdays occur every day of the year. Additionally, here are some other things that happened on September 30:
- Rayon is patented. (1902)
- The television sitcom “Cheers premieres. (1982)
- Actress Angie Dickinson was born on this day in 1931.
Related Holidays
People who like this holiday will also like:
Worship of Tools Day – Guys, you can relate to this holiday.
More September 30 Holidays
Besides WD-40 Day, here is another September 30 holiday you will enjoy celebrating:
More About Today
This Day in History – See what happened on this date in history on any day of the year.
Famous September Birthdays – Did you ever wonder what famous people share your birth date? If so, then find out now!
Recipe of the Day: Halloween Trail Mix
Also See: Fall Recipes and Holiday Recipes and Halloween Recipes
Flower of the Day: Freesia
Ecards Send a free Ecard daily for just about any September calendar holiday, occasion, observance, or event. Or, just for the fun of it!
Holiday Insights, where every day in September is a holiday, a bizarre or wacky day, an observance, or a special event. So, join us in the daily calendar fun each and every day of the year.
Did You Know? Furthermore, in addition to WD-40 Day, there are literally thousands of daily holidays, special events, and observances, more than one for every day of the year. Many of these holidays are new. People and organizations are creating new holidays on a regular basis. September holidays are no exception. Consequently, at Holiday Insights we take great efforts to thoroughly research and document the details of each one, as completely and accurately as possible.