Talk:Friday the 13th/Archive 3

Archive 1

Archive 2

Archive 3

Edit request on 14 September 2013

Friday is also the day when Jesus Christ was crucified, according to the Gospels,[citation needed] making it through folklore and adding to its unpopularity. [citation needed] should be replaced with this: and Chapter 13 in the Gospel of John is where the last supper is written in scripture as the event at which Jesus predicts Judas' betrayal, Autisticrev (talk) 04:42, 14 September 2013 (UTC)Jonathan D. ParksAutisticrev (talk) 04:42, 14 September 2013 (UTC) Autisticrev (talk) 04:42, 14 September 2013 (UTC)

Not done: You need to find a reliable source which makes the connection between the last supper and Friday the 13th. Celestra (talk) 17:05, 16 September 2013 (UTC)

Notable people who died on Friday the 13th

For substantially the same reasons as set out in #Notable people born on Friday 13th, above, I'm cutting the section "Notable people who died on Friday the 13th". As noted above, any given death has a 0.005% chance of occurring on Friday the 13th, and given the massive number of biographical articles of dead people on Wikipedia, you'd have a list potentially thousands of names long. TJRC (talk) 21:55, 25 February 2014 (UTC)

Auto-archiving?

52 (53, now) subjects on this page, going back 7 years. The page was last culled, manually, in 2007. Any objection to me turning on auto-archiving? TJRC (talk) 22:05, 25 February 2014 (UTC)

No objections in over a week, so I'm turning on archiving. TJRC (talk) 20:53, 5 March 2014 (UTC)

Notable people born on Friday 13th

I have removed this section from the main page, because although four of these seven have WP pages which give their birth dates, I can't figure out who the other three people are. I have however wikified the list, so here it is for posterity.

Person	Date of Birth
Christopher Plummer	13 December 1929
Max Weinberg	13 April 1951
Anna Pope	13 August 19??
Sholto Rock	13 July 2007
Doc Rivers	13 October 1961
William Pitman	13 June 19??
Nate Silver	13 January 1978

Nick Levine (talk) 10:41, 29 January 2014 (UTC)

I strongly agree Nick, having had a a quick scan through other date pages I estimate that there are at least 200 people who could be included in the list. What is the point! The whole concept of Friday 13th requires little more space than Rabbit rabbit rabbit or Spilling salt. This article has attracted an accretion of almost irrelevant nonsense and stuff based on false logic. The more flotsam and jetsam that washes up on the shores of the article the more important it seems. Richard Avery (talk) 12:27, 29 January 2014 (UTC)

And now we have another list, this time of people who died on Fri.13. It seems to be a very short list! So I guess not many "well known" people have died on F13. So not such an unlucky day. I will remove this pointless table shortly unless anyone can make a reasoned and convincing case to keep it. Richard Avery (talk) 12:51, 14 February 2014 (UTC)

My back-of-envelope calculation is that any random birthday, or any date, really, has about a 0.005 (i.e. $\textstyle {\frac {1}{2}}$%) chance of falling on a Friday the 13th. While that number looks small at first glance, a quick gander at Category:Living people tells us that Wikipedia currently has 650,127 BLP articles; so a list of those born on Friday the 13th would be more than 3000 names long. (Nitpick; sure, maybe we don't have birth dates for, say, half those people, so, okay, maybe only 1500 names long. But counterbalancing that, the 650,127 figure counts only living people. There are probably at least as many notable dead people as living people, so it's probably a wash.)

The list is presumably comparably long in determining those who died on a Friday the 13th.

Obviously adding two lists of 3000 names each here is not an improvement to the article. If someone really thinks that indicating whether someone was born (or died) on a Friday the 13th is really worthwhile, look into creating a category, i.e. category:People born on a Friday the Thirteenth and/or category:People who died on a Friday the Thirteenth, and tag the articles where you think that's worthwhile. But please, let's not clutter this article. TJRC (talk) 23:15, 14 February 2014 (UTC)

Well said. At the same time and for the same general reason there should be a list of "People Who Died Within 3 months of Walking under a Ladder" or "People who Died after their Path was Crossed by a Black Cat". What is the point? Richard Avery (talk) 13:06, 26 February 2014 (UTC)

Uh-oh, now you've done it. See Black cat (superstition)#Notable deaths. TJRC (talk) 18:30, 26 February 2014 (UTC)

It's only borrowed, Some time, some day ;-)) Richard Avery (talk) 22:16, 11 March 2014 (UTC)

Contradiction!

In the history section, the following two sentences appear:

• "According to folklorists, there is no written evidence for a "Friday the 13th" superstition before the 19th century."
• "Friday has been considered an unlucky day at least since the 14th century's The Canterbury Tales, and many other professions have regarded Friday as an unlucky day to undertake journeys or begin new projects."

These appear to be contradictions to me.

~QuasiAbstract {talk/contrib} 13:25, 11 June 2014 (UTC)

Fridays have long been thought to be unlucky. The number 13 has long been thought to be unlucky. However, it was not until the 19th century that people started thinking that a Friday the 13th is unluckier than other Fridays, and the superstition didn't really catch on until the 20th century. We need to clarify the article. John M Baker (talk) 14:59, 11 June 2014 (UTC)

Christianity portal

I've removed the box linking this article to the Christianity portal because this is not a Christian practice or doctrine, but rather a superstition that has no official status in Christianity and has only a distant link to it. It would be as if you were to link cargo cults to an aviation portal.86.40.21.207 (talk) 20:23, 18 January 2015 (UTC)

Crucifixion of Christ

It appears that everyone believes that Jesus was crucified on Friday. This is not true. Although we celebrate his death on Friday the truth is that he was crucified on Wednesday the day before the preparation which is Hebrew Thursday. It starts at 6pm Wednesday night. Just read the book of Leviticus of the Old Testament. It hard to believe we live in a period that the truth should be known and it isn't. Even Wikipedia can't get it right! — Preceding unsigned comment added by 71.72.0.84 (talk) 20:43, 13 February 2015 (UTC)

Since this is an article about a superstition, it only matters when Jesus was thought to have been crucified (widely believed to have been on a Friday), and not what the actual date was. John M Baker (talk) 23:53, 15 February 2015 (UTC)

3 Friday the 13ths

A year with 3 Friday the 13ths can either be a leap year starting on Sunday (dominical letter AG), with the Friday the 13ths in January, April, and July; or a common year starting on Thursday (dominical letter D), with the Friday the 13ths in February, March, and November. GeoffreyT2000 (talk) 23:23, 5 March 2015 (UTC)

Why the mention of a particular airplane crash?

The section on the plane crash is hardly relevant to an entry about a superstition. It sounds like an attempt by a pious vandal to lend credence to the irrational fear of Friday the 13th. For balance and perspective, it would be reasonable to include references to all the plane crashes that did *not* occur on a Friday the 13th. But this is supposed to be an *encyclopedia* entry on a particular superstitious belief rather than a polemic or mystical pamphlet. The section on the famous plane crash does not belong here and should be removed, since it is as irrelevant to this entry as any other well-known event that happened to have occured on Friday the 13th. — Preceding unsigned comment added by 71.85.231.55 (talk) 16:56, 13 March 2015 (UTC)

Julian calendar

The following table shows the Friday the 13ths in the Julian calendar. GeoffreyT2000 (talk) 15:59, 29 March 2015 (UTC)

Year mod 28	1st	2nd	3rd
0	February 13	August 13
1	May 13
2	January 13	October 13
3	April 13	July 13
4	June 13
5	February 13	March 13	November 13
6	August 13
7	May 13
8	January 13	April 13	July 13
9	September 13	December 13
10	June 13
11	February 13	March 13	November 13
12	May 13
13	January 13	October 13
14	April 13	July 13
15	September 13	December 13
16	March 13	November 13
17	August 13
18	May 13
19	January 13	October 13
20	September 13	December 13
21	June 13
22	February 13	March 13	November 13
23	August 13
24	October 13
25	April 13	July 13
26	September 13	December 13
27	June 13

As you can see, of those 28 years,

• 12 have 1 Friday the 13th
• 12 have 2 Friday the 13ths
• 4 have 3 Friday the 13ths GeoffreyT2000 (talk) 17:45, 29 March 2015 (UTC)

Some More Interesting Facts About Years With Three Fridays the 13th

Three years before and after a year with three Fridays the 13th, those years will always have three Fridays the 13th as well. This also reminds me of one of Henry Dudeney's problems in his book "536 Puzzles and Curious Problems." Problem 528, "A Leap Year Puzzle," says "The month of February in 1928 contained five Wednesdays. There is, of course, nothing remarkable in this fact, but it will be found interesting to discover the last year prior to 1928 and the first year after 1928 that had five Wednesdays in February." Nothing remarkable, other than the fact that such a year will contain three Fridays the 13th. Finally, an American President whose second term commences on January 21 (because January 20 was a Sunday) will serve as President during three years with three Fridays the 13th. Ronald Reagan, for example, served as President during all three Fridays the 13th in 1981, 1984, and 1987. The previous year with three was 1970 and the next year with three was 1998. Neither Reagan's predecessor nor successor could have served as President in a year with three Fridays the 13th. — Preceding unsigned comment added by 76.229.246.81 (talk) 16:15, 29 May 2015 (UTC)

The first statement is true when one starts with a leap year starting on Sunday. For common years starting on Thursday, three years before can be:

• A leap year starting on Sunday (e.g. 2012/2015)
• A common year starting on Sunday (e.g. 2006/2009 and 2023/2026)
• A common year starting on Monday (twice every 400 years: 2198/2201 and 2300/2303)

and three years after can be:

• A leap year starting on Sunday (e.g. 2009/2012)
• A common year starting on Sunday (once every 400 years: 2099/2102)
• A common year starting on Monday (e.g. 2015/2018 and 2026/2029)

GeoffreyT2000 (talk) 15:08, 10 August 2015 (UTC)

Clarification on Italians within this article

Under History it is stated that there is an early document in English referring to Friday the 13th and it states that "like so many Italians, he regarded Fridays as an unlucky day and thirteen as an unlucky number"

Yet within the section of Italians and the number 17 it states that Italians consider the number 13 to be, in fact, lucky - not unlucky.

Clarification needs be added. — Preceding unsigned comment added by 75.99.82.34 (talk) 19:30, 26 October 2015 (UTC)

Black Friday?

Does anybody know where this may be a common term? The only time I've heard Black Friday used was in reference to the day after American Thanksgiving. — Preceding unsigned comment added by 104.158.176.221 (talk) 15:22, 13 November 2015 (UTC)

Why are all these (redacted) blocking out any mention of the recent terrorist attack that happened on Friday the 13th?

It would seem worth a mention of one line or so. I mean I know the general person who is a professional Wikipedia editor likes to delete and bully other users and that's their main source of entertainment, but this is quite extreme. The article mentioned a bunch of other bad incidents on the day. Oceandozenre (talk) 20:46, 14 November 2015 (UTC)

This is an article about the origin and history of the day and its related superstitions. Bad things happening on Friday the 13th are a coincidence, nothing more. clpo13_(talk) 20:48, 14 November 2015 (UTC)

then why can we have September_11#Events ? 194.154.205.47 (talk) 10:31, 20 November 2015 (UTC)

Please assume good faith and avoid personal attacks. --TL22 (talk) 21:12, 14 November 2015 (UTC)

Events like this have been mentioned on the French Wikipedia article (hence I put the {{expandlanguage}} tag on top). <<< SOME GADGET GEEK >>> (talk) 00:33, 15 November 2015 (UTC)

There used to be a list of incidents, but there's no evidence that they're anything other than coincidence, and the consensus has long been not to have such a list. You can browse through the archives to find discussions of this. TJRC (talk) 01:22, 15 November 2015 (UTC)

Those discussions pertain to people who died on a Friday the 13th. Indeed, the recent incident in France could have added more than 100 names to such a list which of course we don't want. A list of events will not clutter the page as much as a list of deaths. <<< SOME GADGET GEEK >>> (talk) 05:05, 15 November 2015 (UTC)

See the discussion "Adding Events on Friday 13th". TJRC (talk) 08:18, 15 November 2015 (UTC)

Are you referring to this section in the Archives (which appears in the TOC, but not in the text)? If so, why is it hidden on the page? <<< SOME GADGET GEEK >>> (talk) 18:37, 15 November 2015 (UTC)

It's capped off by an "Extended Content" heading, so hidden by default. I don't know why, but I assume it was an erroneous edit to the talk page some time, maybe only hiding when it got archive. But it's there. TJRC (talk) 00:56, 17 November 2015 (UTC).

Someone had placed a {{collapse top}} template without a corresponding {{collapse bottom}} to terminate the hidden collapsed text. I added the missing collapse-bottom, it should be visible now. TJRC (talk) 01:04, 17 November 2015 (UTC)

The bombs in Beirut, Lebanon, were not on Friday the 13th nor was the crash of the Russian airliner, Bad things happen continuously there is no merit in pointing out those that happen on a Friday 13th. Richard Avery (talk) 14:32, 15 November 2015 (UTC)

Because they aren't relevant to this article? And who cares what the French Wikipedia does? We run things by our rules, period.DreamGuy (talk)

If there shall be a list of accidents, they should be accidents, not crimes. Otherwise that might prove the danger of that date in the wrong way. Maybe the terrorists chose Friday the 13th? --BIL (talk) 20:44, 15 November 2015 (UTC)

Maybe they did. Until we get reliable sources saying so we shouldn't guess. DreamGuy (talk) 00:46, 21 November 2015 (UTC)

Semi-protected edit request on 21 November 2015

2601:201:8200:772A:29CB:A0FA:895A:647C (talk) 19:12, 21 November 2015 (UTC) Please add the St. Brice's day massacre into the text. 2601:201:8200:772A:29CB:A0FA:895A:647C (talk) 19:12, 21 November 2015 (UTC)

https://en.wikipedia.org/wiki/St._Brice%27s_Day_massacre

• Not done: it's not clear what changes you want to be made. Please mention the specific changes in a "change X to Y" format.
• You are going to have to be more specific as to where you want this and why you want this in the article. --Stabila711 (talk) 01:09, 22 November 2015 (UTC)
• Add'l comment: The consensus has long been not to include events that happen to have occurred on Friday the 13th in this article (after all, one out of every seven 13ths falls on a Friday). There is a discussion in the topic immediately above to revisit this, but it does not look like the consensus is likely to change. So even of the IP editor is more specific about where he or she proposed to add the St. Brice's Day massacre, it's not likely to be added merely because it happened to have occurred on Friday, November 13, 1002. TJRC (talk) 22:31, 23 November 2015 (UTC)

Over an appropriate span of years, the 13th occurs exactly the same number of times on each day of the week

What I say below contradicts the conclusions of the author of the section in question. Therefore, I submit it for review. If a consensus of administrators agrees with me, then either I or, preferably, the original author can make the appropriate changes to the section.

In the section “Occurrence” the first paragraph (below the large table) begins: “This sequence, given here for 1900–2099, follows a 28-year cycle from 1 March 1900 to 28 February 2100.” The rest of the section then shows how “[t]he 13th day of the month is slightly more likely to be a Friday than any other day of the week.” I believe that this conclusion is incorrect, however, being solely the result of the choice of 200 years as the time span to be examined. It would also have been incorrect if the chosen time span had been 400 years.

The writer mentions the 28-year cycle but then ignores the crucial fact that in any 28-year cycle, each of the 365 common days (including each 13th) falls exactly four times on each day of the week. Since there are seven days in a week, each common day (including each 13th) occurs 7 × 4 = 28 times in 28 years (as it should), for a total of 28 × 365 = 10220 days; February 29 occurs seven times in 28 years, once on each day of the week. Thus in 28 years there ordinarily are 10227 (10220 + 7 = 10227) days.

This pattern holds for all spans of years that are integer multiples of 28 years and only for spans that are integer multiples of 28 years. It does not, therefore, hold for 200 years or for 400 years because neither is an integer multiple of 28 years (200 ÷ 28 = 7.14285714...).

On the other hand 420 years (or 392 years, and so on) is an integer multiple 28 years (420 = 15 × 28). Thus in 420 years the 13th of a given month falls on a Friday exactly 15 × 4 = 60 times, and the 13th of that month also falls exactly 60 times on each of the other six days of the week, as well. Thus the 13th of that month occurs 7 × 60 = 420 times in 420 years (as it should). The same is true for each of the 365 common days (including each of the other 13ths) giving a total of 365 × 420 = 153300 common days in 420 years. Adding in the nominal 105 occurrences of February 29 gives a total of 153300 + 105 = 153405 days in 420 years, which is exactly equal to 15 cycles of the 10227 days in 28 years (15 × 10227 = 153405).

To be perfectly accurate there are really only 153402 days in 420 years. That is because three of the four century years spanned have only 365 days, not 366. That means, as well, that three of the fifteen 28-year cycles (three of the four cycles that include a century year) have only 10226 days. Thus, recalculating, there are 12 cycles × 10227 = 122724 days and 3 cycles × 10226 = 30678 days for a total of 122724 + 30678 = 153402 days, which is the same as the true number of days in 420 years.

In addition, in 420 years there are 5040 months (420 × 12 = 5040). As said above, the 13th of a given month falls on a Friday exactly 60 times in 420 years. Since there are 12 months in every year, that means that there are 12 × 60 = 720 Friday the 13ths in 420 years. And, by the same reasoning, there are also 720 Thursday the 13ths and 720 Wednesday the 13ths, and so on. Since there are seven days in a week, the total number of 13ths in 420 years is 7 × 720 = 5040, which, as above, is exactly the number of months in 420 years.

The correct conclusion, therefore, is that in any span of 28 years or integer multiple of 28 years the 13th falls on each day of the week exactly the same number of times as it falls on every other day of the week. But that correct conclusion can only be reached by examining a number of years that is exactly an integer multiple of 28. In other words, by choosing to examine only multiples of 28 years, we discover that the 13th occurs on Friday exactly the same number of times as it occurs on every other day of the week.

If, for example, we examine 1200 × 28 years = 33600 years, we find the 13th of any given month occurring exactly 1200 × 4 = 4800 times on a Friday and also 4800 times on each of the other six days of the week, as well. Thus the 13th of each month occurs 7 × 4800 = 33600 times in 33600 years (as it should). (It is irrelevant and inconsequential that we are here not making the correction for the 252 century years that would have only 365 days instead of the 366 that otherwise occur every fourth year.)

And so it is misleading and leads to an incorrect conclusion to use a span of 400 years as the test span for deciding whether the 13th occurs on a Friday more often than it occurs on other days of the week. That number of years (400) is not evenly divisible by 28; the number is important only because, by adjusting the span of 400 years to have exactly 146097 days, we are easily able to keep the first day of spring close to March 21 over a span of many centuries before a more precise correction has to be made. The choice of 400 years had nothing to do with determining how many times the 13th fell on a Friday, as opposed to any other day. The choice of 400 years was made because it provided a convenient and simple rule-based calendar that was more accurate than the widely used Julian calendar.

In sum, only if you examine a span of years that is an integer multiple of 28 do you draw the correct conclusion that the 13th day of the month is exactly as likely to occur on a Friday as on any other day of the week. Wikifan2744 (talk) 01:46, 18 May 2016 (UTC)

@Wikifan2744: No, skipped leap days in century years do cause 28-year intervals to not have exactly 48 Friday the 13ths. For example, the ranges from 2045 to 2072, 2046 to 2073, 2047 to 2074, 2048 to 2075, 2049 to 2076, 2050 to 2077, 2051 to 2078, 2052 to 2079, 2053 to 2080, 2054 to 2081, 2055 to 2082, 2056 to 2083, 2057 to 2084, 2058 to 2085, 2059 to 2086, 2060 to 2087, 2061 to 2088, 2062 to 2089, 2063 to 2090, 2064 to 2091, 2065 to 2092, 2066 to 2093, 2067 to 2094, 2068 to 2095, 2069 to 2096, 2070 to 2097, 2071 to 2098, and 2072 to 2099 all contain 48 Friday the 13ths. In contrast, the ranges from 2073 to 2100, 2074 to 2101, 2075 to 2102, 2076 to 2103, 2077 to 2104, 2078 to 2105, 2079 to 2106, 2080 to 2107, 2081 to 2108, 2082 to 2109, 2083 to 2110, 2084 to 2111, 2085 to 2112, 2086 to 2113, 2087 to 2114, 2088 to 2115, 2089 to 2116, 2090 to 2117, 2091 to 2118, 2092 to 2119, 2093 to 2120, 2094 to 2121, 2095 to 2122, 2096 to 2123, 2097 to 2124, 2098 to 2125, 2099 to 2126, and 2100 to 2127 contain 48, 47, 47, 47, 46, 48, 48, 47, 48, 49, 47, 49, 49, 49, 49, 50, 50, 50, 49, 49, 50, 48, 50, 50, 48, 48, 49, and 47 Friday the 13ths respectively. GeoffreyT2000 (talk) 03:05, 11 August 2016 (UTC)

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Friday the 13th Has it ever been considered"Lucky"?

I know in some Hispanic nations 13 is considered a "Lucky" number and of course the foiunding of the United States had 13 colonies! Thanks! Eddson storms (talk) 00:56, 14 January 2017 (UTC)

Movies

I feel like I could incorporate the movies into this page. Does anyone disagree? — Preceding unsigned comment added by Lolliolivia (talk • contribs) 16:38, 24 April 2017 (UTC)

I don't think so. The films are a separate topic. This article is about Friday the 13th superstition, not the movies, which are completely different topics. There's hatnote: For other uses, see Friday the 13th (disambiguation). That's sufficient. TJRC (talk) 00:31, 25 April 2017 (UTC)

Semi-protected edit request on 13 March 2018

How come Tuesday the 13th is a section in this article if it isn't even unlucky??? Needs removing to be honest. 80.44.72.79 (talk) 16:14, 13 March 2018 (UTC) 80.44.72.79 (talk) 16:14, 13 March 2018 (UTC)

 Not done: It says it is in Spanish-speaking cultures. qwerty6811 :-) Chat Ping me 16:48, 13 March 2018 (UTC)

Occurrence frequency table

I don't think that the table in the section "occurrence > frequency" can be readily understood. In fact, I am not sure myself about how to use it. It should be clearly explained, perhaps in a caption:

1- what "year mod 28" means (= the rest of division of the year number by 28)

2- what are different columns for

3- what is the meaning of red text

Signo (talk) 08:56, 23 April 2018 (UTC)

Semi-protected edit request on 17 August 2018

I don't think Friday the 17th really is unlucky, I don't find anything unlucky about it at ALL. So why is it in this article, just remove it from this article! It seems very unnecessary to me to have something that's not needed. 92.17.184.74 (talk) 10:35, 17 August 2018 (UTC)

 Not done: Friday the 17th is unlucky in Italy. Danski454 (talk) 11:01, 17 August 2018 (UTC)

A Commons file used on this page has been nominated for deletion

The following Wikimedia Commons file used on this page has been nominated for deletion:

• Última Cena - Da Vinci 5.jpg

Participate in the deletion discussion at the nomination page. —Community Tech bot (talk) 10:23, 10 January 2019 (UTC)

If the file is deleted, there are numerous others that could be used; see COMMONS:Category:Last Supper by Leonardo da Vinci. TJRC (talk) 19:40, 10 January 2019 (UTC)

Semi-protected edit request on 13 September 2019

Please add automatic updates to the lead section. 83.31.61.173 (talk) 21:50, 13 September 2019 (UTC)

 Not done: it's not clear what changes you want to be made. Please mention the specific changes in a "change X to Y" format and provide a reliable source if appropriate. NiciVampireHeart 09:44, 14 September 2019 (UTC)

Semi-protected edit request on 13 September 2019

History section quotes Henry Sutherland Edwards saying "like so many Italians, he regarded Fridays as an unlucky day and thirteen as an unlucky number" but then "Friday the 17th in Italy" section says "In fact, in Italy, 13 is generally considered a lucky number" and cites "Venerdì 13 porta (s)fortuna? Non in Italia" (in Italian). cafebabel.com. Retrieved 31 March 2012.

Where the quote from Edwards appears, please note that the Edwards was incorrect in saying that Italians regard 13 as unlucky and cite the same source as in the section about the 17th. 47.139.45.162 (talk) 04:00, 13 September 2019 (UTC)

 Not done: Your proposed edit appears to be original research. Sceptre (talk) 21:16, 2 October 2019 (UTC)

List the horror films released then?

Since it is common for horror films to be released on Friday the 13ths throughout the years, should there be a list of those films in this article? If it is simply dismissed as trivia, then I guess it isn't important.

216.138.61.221 (talk) 08:15, 3 December 2020 (UTC)

Semi-protected edit request on 24 May 2021

400 year cycle

171 years with 1 Friday the 13th

43 common years starting on Wednesday

43 common years starting on Friday

43 common years starting on Saturday

14 leap years starting on Tuesday

15 leap years starting on Friday

13 leap years starting on Saturday

170 years with 2 Friday the 13ths

43 common years starting on Sunday

43 common years starting on Monday

44 common years starting on Tuesday

13 leap years starting on Monday

14 leap years starting on Wednesday

13 leap years starting on Thursday

59 years with 3 Friday the 13ths

44 common years starting on Thursday

15 leap years starting on Sunday 174.83.181.38 (talk) 20:06, 24 May 2021 (UTC)

 Not done: it's not clear what changes you want to be made. Please mention the specific changes in a "change X to Y" format and provide a reliable source if appropriate. Run n Fly (talk) 20:23, 24 May 2021 (UTC)

Friday the 13th

I was watching the history channel and they stated Friday the 13th unluckiness can be traced back to the Freemason's and Knights Templar when the Pope of that time ordered them to be slaughtered on Friday the 13th.65.155.99.58 (talk) 17:36, 13 August 2021 (UTC)

Knights Templar kill order

Didn't the Pope issue a secret assassination order against them to be executed on Friday the 13th? 148.168.122.20 (talk) 20:10, 13 May 2022 (UTC)

I thought so too. But looking further apparently this is a myth spread by the History channel. Ken L (talk) 21:34, 13 May 2022 (UTC)

The Knights Templar

The Knights Templar were supposedly captured and killed by the church as ordered by the Pope at the time. Because they were becoming too rich and powerful influencing important people. 2601:281:C080:1E90:2C3D:BA59:D7F:4357 (talk) 00:03, 14 May 2022 (UTC)

The origin section is misleading

Why is this article protected so it cannot be added to and corrected? At the moment the origin section is very weak/erroneous. It is based on the assertion of one so-called folklorist who is not a folklorist but an amateur who also doesn't seem to know much about Norse myth. If you believe him then 1. which Norse text are we talking about 2. where is the evidence that Medieval Scandinavians thought 13 was unlucky? Link it then to the appropriate article on the Norse text in question. But I can tell you that if it's referring to Lokasenna it is wrong. Baldr was not killed during the events of Lokasenna and there was not just 13 named people present at that feast. (Or is it supposed to come from Gylfaginning, which gives the most complete version of Baldr's death but which isn't about a feast?) Lokasenna did not take place on Friday 13th either. So here we are conflating the issue - that 13 at a feast (ie the number) = unlucky but that doesn't tell us why Friday 13th is unlucky. Going back to the Christian origin - there is no evidence that people thought the numbers at the last supper were unlucky for most of history and for good reason. It is not certain there were 13 people at the last supper. Mark’s gospel indicates Jesus asked two disciples to prepare the Passover meal and then Jesus “came with the Twelve” (Mark 14:13-17). According to Mark’s gospel, at least fifteen people attended the Last Supper: Jesus, two disciples and “the Twelve”. The idea of 12+1 is most likely from paintings eg Da Vinci et al. We don't need to argue any of this, but merely note that 13 has been considered an unlucky number and link to the article on the number 13 which goes through much of this.

The next question is why is a Friday unlucky? Likely this is its associations with goddesses/paganism. eg here are mentions of unlucky Fridays in literature eg Chaucer said Friday was a day “of misfortune”. Robert Greene coined the expression “Friday-face,” (1592) which meant a look of gloom or dismay. William Rowley (1633) in A Match at Midnight described “A plague of Friday mornings — the most unfortunate day in the whole week.” Richard Flecknoe - “Now Friday came, you old wives say, Of all the week’s the unluckiest day.”

Then how/when did the two unlucky things be put together? The "tradition" of Friday 13th appears to be a much later one which has been post-justified with examples throughout history. The evidence points to a 19th or 20th century origin eg Thomas Lawson’s (1907) book - Friday, the Thirteenth. Nathaniel Lachenmeyer wrote a whole book on this where he argued that before the 20th century, “13” had been an unlucky number, and “Friday” had been an unlucky day, but “Friday the 13th” wasn’t a concept.

In terms of unlucky events on Friday 13th used as justification, you should definitely mention St Brice's Day Massacre (1002AD) and link to that article. You should also mention that feminists are rehabilitating Friday 13th and the number 13. (eg note Taylor Swift's comments about it) SandrinaHatman (talk) 10:46, 31 May 2022 (UTC)

Origin section confuses reliable sources with speculation

The Origin section confuses speculations about the origin, from the earliest documented source, which is Edwards, H. S. (1869). The Life of Rossini, and which is problematic, because French and German wikis say that Italian unlucky day is Tuesday the 13th; Italian is one language that does not have a wikipedia article for this item. Donald Dossey apparently counseled many people with phobias, but he is not a specialist in Scandinavian mythology and his claim that the "origin" is a banquet of 12 gods in Valhalla intervened by a 13th is ignored by all the Scandinavian wikis (instead, they tend to point to St Brice's Day massacre); obit: <https://www.legacy.com/us/obituaries/citizen-times/name/donald-dossey-obituary?id=16901160>. There needs to be two sections: first, Origin historically documented instances of the superstition as a superstition; followed by a completely separate section Explanations: speculations about the origin. Can even a single almanac be cited? Is the superstition a creation of the age of Gothic novels? Vagabond nanoda (talk) 08:59, 28 August 2022 (UTC)

Friday the 13th in Italy

«due to Americanization, young people consider Friday the 13th unlucky as well»

Actually, the source just states «Friday the 13th is an unlucky day» («Venerdì 13 è un giorno che porta sfortuna») in its title, so it is neither a statement from one (just one) young person nor anything connected to Americanization.

The article states rather that, in Italy, weddings and departures are traditionally forbidden on Friday and Tuesday («di Venere e di Marte non si sposa e non si parte»). Number 13 is regarded as unlucky when sitting together on lunch/dinner, because of the Last Supper (one died) --Actormusicus (talk) 12:00, 10 January 2023 (UTC)