This week, cannabis enthusiasts the world over celebrated April 20, or 4/20. For decades, 420 has been shorthand for cannabis, but there are many misconceptions about where the name comes from. Some have speculated and made wild guesses, tying it back to a Bob Dylan song, Grateful Dead, the death of Bob Marley, or the chemical compounds in cannabis. The truth is that 420 is not a scientific calculation or a mysterious decoded song lyric. It is, surprisingly, a time of day.
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