I'm sure it has roots somewhere in Judeo-Christianity...some way. While I wonder the basis for it, I also wonder why 'unlucky' would be associated with Fridays? (Other than the Christ reference)
It's based on actual events, it's when the Knights Templar were ambushed and surprised and slaughtered with only a couple of the organization escaping. It all happened on a Friday the 13th so that's where it's now considered unlucky. Would have to look up the exact year but that's where it stems from
It's quite lucky for me. I was born on Friday 13th.
i have always had wonderful things happen to me on friday the 13th... so i always look forward to it...
I've always heard it was because Christ was killed on a Friday. The 13 comes from Jesus and his 12 apostles. Judas being the 13th.
The following is provided by Wikipedia (not exactly reliable, but seems better than speculation)
One theory states that it is a modern amalgamation of two older superstitions: that thirteen is an unlucky number and that Friday is an unlucky day.
In numerology, the number twelve is considered the number of completeness, as reflected in the twelve months of the year, twelve hours of the clock, twelve gods of Olympus, twelve tribes of Israel, twelve Apostles of Jesus, the 12 successors of Muhammad in Shia Islam, twelve signs of the Zodiac, etc., whereas the number thirteen was considered irregular, transgressing this completeness. There is also a superstition, thought by some to derive from the Last Supper or a Norse myth, that having thirteen people seated at a table will result in the death of one of the diners.
Friday has been considered an unlucky day at least since the 14th century's The Canterbury Tales,[5] and many other professions have regarded Friday as an unlucky day to undertake journeys or begin new projects.
One author, noting that references are all but nonexistent before 1907 but frequently seen thereafter, has argued that its popularity derives from the publication that year of Thomas W. Lawson's popular novel Friday, the Thirteenth,[6] in which an unscrupulous broker takes advantage of the superstition to create a Wall Street panic on a Friday the 13th.[1]
Records of the superstition are rarely found before the 20th century, when it became extremely common. The connection between the Friday the 13th superstition and the Knights Templar was popularized in Dan Brown's 2003 novel The Da Vinci Code and in John J. Robinson's 1989 work Born in Blood: The Lost Secrets of Freemasonry. On Friday, 13 October 1307, hundreds of the Knights Templar were arrested in France, an action apparently motivated financially and undertaken by the efficient royal bureaucracy to increase the prestige of the crown. Philip IV was the force behind this ruthless move, but it has also tarnished the historical reputation of Clement V. From the very day of Clement V's coronation, the king falsely charged the Templars with heresy, immorality and abuses, and the scruples of the Pope were compromised by a growing sense that the burgeoning French State might not wait for the Church, but would proceed independently. [7] However, experts agree that this is a relatively recent correlation, and most likely a modern-day invention.[5][8][9]
I don't find it unlucky either.
Nobody actually thinks of the slaughtering on friday the 13th. The only reason anybody has anything to say about it now-a-days is because of the Friday the 13th movies in the 80s. Everybody freaks out about Jason. I've lost a couple family members on friday the 13th, so its unlucky for me :/
unpleasant historical events...people need to realize that ..these events had to happen on some date... friday the 13th ..or tuesday the 21st...
moreover ...what you sow is what you reap....no day or time can change the results of you did/ what you are doing..
It's as un-lucky as we all make them