Today, February 13, 2026, falls on Friday, a day that in many Western cultures carries an air of unease. For some it’s a joke; for others it’s a real source of anxiety. The date has inspired secret societies, horror films, stock market thrillers, and two tongue-twistering clinical terms: paraskevidekatriaphobia and friggatriskaidekaphobia. It’s a superstition that’s both familiar and strangely persistent, as easily identifiable as a black cat crossing your path, walking under a ladder, opening an umbrella indoors or breaking a mirror.
An infamous date
When the 13th of each month falls on a Friday in the Gregorian calendar, it is “Friday the 13th”. This happens at least once a year, sometimes as many as three times. On average, one person arrives every 212.35 days. There are three in 2026: Friday, February 13; Friday, March 13; and Friday, November 13. By comparison, there will be only one in 2025, in June. For some, this date can cause real pain. Psychotherapist Donald Dorsey coined the term paraskevidekatriaphobia, From Greek Paraskevi (“Friday”), Terry Skedka (“Thirteen”) and Phobos (“Fear”), describing the intense, sometimes paralyzing fear associated with this day. Another term, Friggatry Skade’s Phobiacombine Frigg (The Norse goddess from whom Friday is named) triscade phobiathe fear of the number 13 itself. Anxiety before and after a date can produce physical symptoms: increased heart rate, sweating, shortness of breath, and tremors. Researchers estimate that as many as 10 percent of Americans have some fear of the number 13, according to reports cited by the History Channel. However, the exact origins of this superstition remain elusive.
Across cultures and faiths, where does it all begin?
It is difficult for historians to identify a single source. References linking Friday to the number 13 appeared in 19th-century France. An article in a literary magazine from 1834 paris reviewThe Italian writer Marquis of Salvo’s “Castle Carini” mentions a Sicilian count who murdered his daughter on Friday the 13th, declaring: “Friday and the number 13 always bring bad luck!” In the same year, in the French drama Graffiti Tips In the work of Claude-Louis-Marie de Rochefort-Lousset and Philippe-François Pinel Dumanoir, a character laments: “I was born on Friday, December 13, 1813, and all my misfortunes stem from this.” Stephanie Hall, an expert at the American Folklife Center at the Library of Congress, said the superstition may have stemmed from the idea that Friday and the number 13 were independently considered unlucky, and may have originally been specific to Friday, December 13. The number 13 itself has long aroused suspicion. In Norse mythology, Loki, the trickster god, attends a banquet in Valhalla as the uninvited 13th guest, where he manipulates the events that lead to the death of Balder, the god of light. In Christian tradition, Judas Iscariot, who was betrayed before his crucifixion on Good Friday, is often described as the 13th guest at the Last Supper. Biblical narratives also associate misfortune with Friday: Adam and Eve are said to have eaten the forbidden fruit on Friday; Cain is believed to have murdered Abel on Friday; Solomon’s temple was destroyed on Friday; and the Great Flood is said to have begun on Friday. Some scholars point to numerology. talking national geographicThomas Fiensler, associate policy scientist at the Mathematics and Science Education Resource Center at the University of Delaware, pointed out that 12 has historically symbolized completeness, 12 months, 12 constellations, 12 Olympian gods, 12 achievements of Hercules, 12 tribes of Israel, and 12 apostles. Thirteen, just beyond that neat order, “has to do with being slightly beyond completeness. The number becomes restless or squirming,” he said.
this Club Thirteen and other rebellions
Not everyone accepted the curse. In 1882, former Union captain William Fowler founded the Thirteen Club in New York to dispel superstitions surrounding numbers. The group meets on the 13th of each month for a 13-course meal in Room 13 of Knickerbocker Cottage. Members deliberately sprinkled salt without throwing it over their shoulders and opened umbrellas indoors. Before the meal, they walked under a ladder, which was hung with a banner that read “Morituri te Salutamus,” Latin for “We who are about to die salute you.”“ Four U.S. presidents, Chester Arthur, Grover Cleveland, Benjamin Harrison and Theodore Roosevelt, served as honorary members at various times. Friday the 13th also enters the realm of fiction. In 1907, Thomas William Lawson published the novel Friday the 13thIt tells the story of a stockbroker who uses superstition to cause panic on Wall Street. Decades later, the 1980 horror film Friday the 13th introduced audiences to the hockey-masked killer Jason, spawning 12 movies and cementing the date’s pop culture status. Some people associate this superstition with Friday, October 13, 1307, when King Philip IV of France ordered the arrest of hundreds of Knights Templar. The theory remains controversial. Historians say the connection is vague.
Around the world: variations on the theme
This fear is often described as Western-centric, but its form can vary from culture to culture. In Spain and Greece, Tuesday the 13th is considered unlucky because the number is combined with Mars, the Roman god of war, from which the Spanish word “Mars” comes. Mars (Tuesday). In Italy, Friday the 17th is a center of anxiety; Roman numeral XVII can be rearranged to spell visiLatin for “my life is over.” In Japan and China, the fourth day of April is feared because the number four is pronounced like the word “death.” India has its own association. In Indian mythology, Rahu was originally an asura named Rahuketu who drank nectar when the ocean was churning (Samudra Manson) after disguising himself as a god. Vishnu in the form of Mohini chopped off his head with the Sudarshana Chakra before the nectar passed through his throat. The head became Rahu and the body became Ketu, both later considered to be planetary entities. Rahu is sometimes called the thirteenth immortal, symbolically linking this number to cosmic disturbances.
Still here, still being observed
For many people today, Friday the 13th is more of an occasion than an omen. Tattoo studios in the United States and parts of Europe offer discounted “flash” tattoos, a tradition that became popular in the 1990s. Others mark the day with horror movie marathons or deliberately testing little superstitions. Yet behavior does change. Some people are postponing travel or business decisions; some buildings are skipping 13 floors; airlines are occasionally noticing a drop in bookings. While there is no empirical evidence that Friday the 13th brings misfortune, the persistence of this belief points to something deeper: the human tendency to impose narratives on coincidence. As always, the arrival of this date is an oddity of the Gregorian calendar. Whether it is tinged with fear, joy, or indifference depends less on the stars and more on what we choose to see within it.
