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Friday the 13th, Lucky or Unlucky? and Taylor Swift

Dec 13, 2024 | Articles, Education, Uncategorized

Friday the 13thThe History and the Significance of Friday the 13th

I have always had a curiosity about Friday the 13th. I remember learning early on that either it was an unlucky number, or the opposite, that 13 is a lucky number.

So I asked ChatGPT the question: “Tell me the history and significance of Friday the 13th ”

The superstition surrounding Friday the 13th as an unlucky day has murky origins, blending cultural, religious, and historical influences. Here’s an overview of its history and the significance attributed to it:


Origins and History

  1. Religious Context:
    • Christian Beliefs: In Christianity, Friday holds a significant place as it is believed to be the day of Jesus’ crucifixion (Good Friday). The number 13 is considered unlucky because the Last Supper had 13 attendees— Jesus and his 12 apostles, with Judas Iscariot (the betrayer) being the 13th to sit.
  2. Norse Mythology:
    • In Norse legend, a dinner at Valhalla was attended by 12 gods when the trickster god Loki arrived uninvited as the 13th guest. This led to chaos and the death of the beloved god Balder.
  3. The Knights Templar:
    • On Friday, October 13, 1307, King Philip IV of France ordered the mass arrest of the Knights Templar. Many were tortured and executed. This event has contributed to the perception of Friday the 13th as a day of bad luck.
  4. Numerical Symbolism:
    • The number 12 is often seen as a symbol of completeness (e.g., 12 months, 12 zodiac signs, 12 apostles). In contrast, 13 is viewed as irregular and imbalanced, disrupting this order.

Cultural and Modern Influence

  1. Literature:
    • The superstition was popularized in the early 20th century by novels like Friday the Thirteenth (1907) by Thomas W. Lawson, which portrays a financial panic triggered by this date.
  2. Film and Media:
    • The Friday the 13th horror film franchise, starting in 1980, solidified the date’s association with fear and bad luck in popular culture.
  3. Phobia:
    • The fear of Friday the 13th is known as “Paraskevidekatriaphobia” or “Friggatriskaidekaphobia.”
  4. Impact on Society:
    • Many people avoid activities like flying, making significant decisions, or scheduling important events on this day. Some buildings omit the 13th floor, and airlines may skip row 13.

In Different Cultures

  • Spain and Latin America: In these cultures, Tuesday the 13th (Martes 13) is considered unlucky rather than Friday.
  • Italy: In Italy, Friday the 17th is considered unlucky, while 13 is often viewed positively.

Rational Perspective

Many scholars suggest that the fear of Friday the 13th is a result of confirmation bias — people remember negative events that occur on this day and overlook the many uneventful ones.


Despite its ominous reputation, Friday the 13th remains a fascinating blend of folklore, myth, and modern culture.

Friday the 13th lucky day

But I also heard that Friday the 13th can be a lucky day

Now I had often heard that 13 is actually a lucky number, and according to ChatGPT, Taylor Swift considers Friday the 13th a lucky day. So I asked ChatGPT the question:

“But isn’t there some that says it is a lucky day?”  (ChatGPT is forgiving of my poor grammar, in that regard it knew what I meant)

ChatGPT:

Yes, Friday the 13th is viewed as lucky in certain cultures and contexts. While it’s commonly seen as a day of misfortune in many Western countries, there are traditions and beliefs where Friday the 13th carries positive or neutral connotations. Here are a few examples:


Positive Associations of Friday the 13th

  1. Fertility and Goddess Worship:
    • Friday is named after the Norse goddess Frigg (or Freyja), associated with love, fertility, and motherhood. In pre-Christian times, Friday was a day to celebrate feminine power, abundance, and good fortune.
    • The number 13 was considered sacred in many ancient cultures due to its connection to the 13 lunar cycles in a year, linking it to the rhythms of fertility and nature.
  2. Italian Culture:
    • In Italy, 13 is often considered a lucky number, symbolizing prosperity and abundance. Italians may fear Friday the 17th instead.
  3. Ancient Egypt:
    • The number 13 was seen positively in Ancient Egyptian culture, representing the final stage of the cycle of life — eternity or afterlife. Egyptians believed life unfolded in 12 stages, with the 13th representing a blissful afterlife.
  4. Superstitions in Numerology:
    • In numerology, 13 is sometimes seen as a number of transformation, renewal, and growth. People who embrace change and new beginnings may see it as a symbol of opportunity.
  5. Personal Interpretations:
    • Some people consider Friday the 13th lucky based on personal experiences, such as weddings, births, or other positive life events happening on that date.

Modern-Day Examples

  • Taylor Swift, the pop singer, considers 13 her lucky number and has embraced Friday the 13th as a fortunate day.
  • Businesses and Promotions: Some companies use Friday the 13th as a marketing opportunity, offering special deals or events to flip the superstition into a positive.

While Friday the 13th is traditionally seen as unlucky, it also symbolizes female power, transformation, and fertility for those who look beyond the superstition.

Mathematics exercise

So, as part of my mathematical curiosity, I always ask people:  “What is the chance that when the 13th comes around each month, that it is a Friday?  The answer is of course one in seven!  Why? Because there are seven days in a week.

Then the next question is “What is the chance that when Friday rolls around it will be the 13th?” and the answer is about one in thirty! Why? Because there are about 30 days in each month. This also means that it will happen at least once a year, often twice,

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