If you’ve spent any time around cannabis culture, you already know that 4/20 means more than just a time on the clock. It’s become the unofficial holiday for smokers everywhere. A day dedicated to good flower, good company, and celebrating the culture.
But for something so iconic, the origin of 4/20 is surprisingly low-key.
And no, it didn’t start because there are 420 chemical compounds in cannabis or because it was some secret police code. Those are myths that somehow stayed in rotation for years.
The real story is way better.
It Started With a Group Called The Waldos
The story begins in 1971 in San Rafael, California, where five high school friends who called themselves The Waldos would meet after school by a statue on campus.
Their meeting time?
4:20 PM.
Why that specific time?
Because sports practice was over, parents were still at work, and it was the perfect window to go on a mission. The group had heard rumors about an abandoned cannabis patch hidden somewhere nearby, and every day they’d meet at 4:20 to go looking for it.
Eventually, “4:20” became their private code for smoking.
Instead of saying:
“Wanna smoke?”
They’d simply ask:
“420?”
Simple. Quiet. Legendary.
From Inside Joke to Global Code
What could have stayed a local inside joke ended up spreading far beyond one California town.
The Waldos had ties to people in the circle of the Grateful Dead, whose fanbase was already deeply connected to cannabis culture.
As the phrase moved through that community, “420” slowly became a universal shorthand for smoking.
Then in the 1990s, High Times helped push it into the mainstream after publishing the term in print, giving it national attention among cannabis enthusiasts.
That’s when 420 stopped being just a code, and became a movement.
How 4/20 Became April 20
Once “420” became common slang, it was only natural that smokers started recognizing:
4/20 = April 20
And just like that, a time turned into a date.
What started as a casual smoke session evolved into:
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smoke circles
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festivals
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concerts
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dispensary drops
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legalization rallies
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and all-day celebrations
Every year on April 20th, people around the world light up in honor of the culture.
Why 4:20 PM Still Matters
Even with all the celebrations, many people still honor the original tradition:
lighting up at exactly 4:20 PM
It’s become a ritual that connects generations of cannabis users, from old-school smokers to new-school connoisseurs.
The Myths Behind 420
Over the years, a lot of fake stories have followed 420.
Some of the most common myths include:
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There are 420 active chemicals in cannabis
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420 is a police radio code for marijuana
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420 was Bob Marley’s birthday
None of those are true.
The real origin is just five friends, one after-school meet-up, and a code that accidentally became history.
Why 4/20 Still Hits Different
420 isn’t just about getting high.
For a lot of people, it represents:
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community
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freedom
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creativity
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relaxation
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and the culture that helped shape cannabis into what it is today
It’s one of the few holidays that was created entirely by the people who live the lifestyle. Just pure word-of-mouth. That’s what makes it iconic.