THE Force is strong in this day - and miss the celebrations, you must not.
Star Wars, a movie so popular it has spawned five sequels, terabytes of literary comment and even two movies about fans of the movie, now has its own annual event - Star Wars Day.
Although Los Angeles City Council once declared May 25 Star Wars Day, the fourth day of May seems to have taken over, largely because it lends itself to the pun: "May the fourth be with you!"
The concept has really taken off since the first organised celebration of Star Wars Day was held last year on May 4 in Toronto, Canada.
This year it will be celebrated throughout the known universe.
And some of the wisest and most powerful beings in that universe, the Jedi themselves, warn that we should not be afraid to celebrate.
In the words of Yoda, the renowned Jedi master: "Fear is the path to the dark side."
He might have added a warning that we should also be careful not to start the party too late.
Leaving things until evening also "to the dark side, it will lead".
Intergalactic Star Wars Day is our excuse to get out the Darth Vader helmet, dust off the light sabre and greet friends with one of the world's corniest jokes: "May the fourth be with you!"