What does code 420 mean?

Asked by: Prof. Raheem Abshire II  |  Last update: February 23, 2026
Score: 4.4/5 (11 votes)

Code 420 primarily refers to cannabis culture, symbolizing cannabis consumption, especially at 4:20 PM, and annual celebrations on April 20th (4/20). It originated from a group of high school students in the 1970s who met at 4:20 PM to smoke marijuana, a practice that grew into a widespread cultural phenomenon and even influenced legislation, like California's Senate Bill 420.

What does 420 mean in police code?

But that's fiction. Section 420.1 refers to obstructing entry on public land. Another rumor is that 420 is the police radio code for "Marijuana smoking in progress." Again not true. The only police radio code we found that uses 420 is in Las Vegas and it's used for a homicide.

What is the code word 420?

Over time, 420 became a code word for smoking cannabis, eventually gaining widespread popularity through Grateful Dead fans and High Times magazine. Today, the 20th of April (4/20 in U.S. date format) is a Global Day of Cannabis awareness and appreciation.

What is the meaning of 420 in dirty mind?

420 is a slang term (or a kind of code word) referring to marijuana or marijuana use. Due to this association, 420 is also used as the name of an unofficial holiday that marijuana enthusiasts celebrate by using marijuana. It is sometimes called Weed Day (weed is a slang term for marijuana).

What is the logic behind 420?

The number 420 primarily signifies cannabis culture, referring to April 20th (4/20) as a day for cannabis celebration and 4:20 p.m. as a time to consume, stemming from a story about high schoolers in California in the 1970s. Beyond this, 420 has various mathematical properties, like being the least common multiple of numbers 1 through 7, but its most recognized meaning is tied to marijuana use and advocacy.
 

P0420 CODE CAUSES AND SOLUTIONS

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Why do they call today 420?

The most widely accepted theory as to the origins of 420 is that it was first used by a group of high school students in San Rafael, California in the early 1970s. The students, who called themselves "The Waldos", would meet at 4:20pm to smoke cannabis after school.

Why is 420 considered a bad number?

The mystery is part of the point. For pot smokers, "420" has always been a kind of secret handshake, undetectable to the squares. "Time to light up" is the general idea, rendered in standard English. It's been said that "420" is police radio code for a drug offense (wrong).

Is 420 a secret code?

Myth: The '420' Police Codes

Many people believe that the number '420' is coined from the California Criminal Codes used to punish the use or distribution of marijuana. But if you actually take a closer look at the state's 420 code, it applies to obstructing entry on public land.

What does 420 mean dating?

The term originated in the 1970s with a group of high school students and grew popular thanks to culture and media, notably High Times magazine. Whether it's in dating apps, real estate, or travel, '420 friendly' signals openness to cannabis consumption in various contexts.

Why do stoners call it 420?

The Legend of 420

The Waldos decided to meet at the Louis Pasteur statue on campus every day at 4:20 p.m., where they would smoke pot before venturing out in search of the cannabis crop. Soon 420 became their code for lighting up a joint.

What does 420 mean in Jamaica?

420, 4:20 or 4/20 (pronounced four-twenty) is cannabis culture slang for cannabis consumption, especially smoking around the time 4:20 p.m. (16:20).

What does 1042 mean in police code?

Police code 10-42 most commonly means "Ending Tour of Duty", signaling an officer is finishing their shift, often used for retirement or at the end of the day, but its meaning can vary by department, sometimes indicating a traffic stop or even a "dead person" in some jurisdictions, so context is key.
 

How much do potheads smoke a day?

Results: Mean marijuana use per use day among purchasers was 1.35 grams and non-purchasers estimated mean use amount per day was 0.71 grams. Lower mean use per day was a found for women and the most frequent users.

Who invented the term 420?

According to Steven Hager, editor of High Times, the term 420 originated at San Rafael High School, in 1971, among a group of about a dozen pot-smoking wiseacres who called themselves the Waldos. The term 420 was shorthand for the time of day the group would meet, at the campus statue of Louis Pasteur, to smoke pot.

Is 420 really a police code?

No. Despite a common explanation that section 420 refers to marijuana-related offenses, we looked it up: that code actually has to do with property offenses. Is 420 a police code related to marijuana? A popular theory, but the answer is no.

What does 420 mean biblically?

420 has two commonly accepted meanings in Hebrew Gematria. First, 420 means smoke or vapor in Gematria and is represented by the Hebrew word “עשן” (Ashan). Second, 420 represents the words “חיים טובים” or “chayim tovim” which means “good life” in Hebrew Gematria.

What high school invented 420?

But why is April 20 the day to light up? The origins stem from a group of five Marin County men, now in their 60s, who coined the slang term in 1971 while students at San Rafael High School. The group called themselves "the Waldos," a term first used by comedian Buddy Hackett to describe odd people.

What does 420 mean in slang?

The slang expression 420 originated in California in the 1970's when students would meet outside their school at 4:20 p.m. and smoke weed. In contemporary culture 420 refers to April 20 when at 4:20 p.m. pot smokers light up in celebration of marijuana use. Teenagers often use 420 as a replacement word for weed.

What does the number 420 mean in Hebrew?

Appearances of Number Four Hundred Twenty

Hebrew entry 420 in Strong's Concordance is eldaah, a word that means the "God of knowledge." It is used in both Genesis 25:4 and 1Chronicles 1:33. Eldaah was a son of Midian, a man who was one of the six sons the patriarch Abraham produced through his second wife Keturah.

What does the number 420 mean in love?

Angel Number 420 with Love and Relationships: In relationships, 420 brings balance and tranquillity. For those in partnerships, it signifies harmony and stability. Honest communication resolves issues. Singles are reminded to open up to new romantic possibilities.

What is the police code 420 in California?

PC 420 Defined

According to California Penal Code 420, anyone who willfully obstructs entry on a public land owned by the United States in the State of California is guilty of Obstruction of Entry on a Public Land.

What is 420 on the internet?

The number 420 has become a popular code for marijuana.