Week 2019 Read Numbers Forward and Backward

Palindrome Week, September 2019

Claim

September x through 19 2022 is "palindrome week."

Reporting

Advertisements On September 9 2022 and subsequently, a "palindrome calendar week" meme circulated on Twitter:

https://world wide web.facebook.com/news6/photos/a.386444532209/10157639659427210/?type=3&theater

Above 10 dates ranging from September ten to xix 2019, text read:

PALINDROME WEEK

Each engagement reads the same backwards and forward for the next 10 days.

An fastened status update stated:

HOW COOL 🙃 | It's palindrome week. Each date is the same forwards and backwards!

On the morning of September 10 2019, "palindrome calendar week" and #palindromeweek trended on Twitter:

First, Happy #PalindromeWeek! Second, this is non the last palindrome week of the century. Feb of 2022 has (02-1-20) and so does December of 2022 (12-1-21) and February of 2022 has a palindrome as well (2-2-22). Anyway, real nerds find these palindromes all the time :three https://t.co/YhSYRBXHVo

https://twitter.com/tatsandcatsva/status/1171415971942285312

A palindrome is a word, phrase, or string of letters or numbers that reads the same frontward and backwards. They Might Exist Giants' song "I Palindrome I" was devoted to, y'all guessed it,palindromes. In 2015, Grammarly explained:

According toThe Oxford English Dictionary the word is based on Greek root words meaning "back" and "running." Palindromes are words or phrases that read the aforementioned backward and forrard, letter of the alphabet for letter of the alphabet, number for number, or give-and-take for word. Some palindromes seem philosophical.Exercise geese see God? Others tell a story.A man, a plan, a canal: Panama. Yet others are giddy and rather nonsensical.Straw? No, besides stupid a fad; I put soot on warts.

Interest in palindrome week or palindrome dates in general wasn't new in September 2019. On a palindrome day in February 2012, i site provided a list of all palindrome dates for the next 10 years (through 2022). However, that list only included September 10 2019.

In May 2015, LiveScience marked that yr's week with information about palindrome dates in general:

Every day this week — in fact, every mean solar day between May 10 and May 19, as written in five- or six-digit month/24-hour interval/year format — is a palindrome. This ways the numbers read the same forwards as backward (five/10/xv – v/19/15). And Female parent'southward 24-hour interval was a seven-digit palindrome (5/10/2015), only the 8th such date that has occurred then far this century. Strings of five-digit palindrome dates aren't actually that rare, according to Aziz Inan, an electrical engineering professor at the University of Portland, who calculates these dates as a hobby. "Whereas v-digit dates occur every year, the side by side fourth dimension Mother'south Twenty-four hour period will be a palindrome date will be 790 years" from at present, Inan told Live Scientific discipline. [The 9 Nearly Massive Numbers in Being] The next such palindrome calendar week will occur in June 2022 (half dozen/ten/16-6/19/16), and this design of five-digit palindromes will continue until 2020. Subsequently that, another blazon of five-digit palindrome will accept its place, with two-digit months and one-digit days (for case, 02/1/20), [University of Portland professor Aziz Inan] explained.

In June 2022 (6th month) and July 2022 (seventh month), there was i palindrome week each. In Baronial 2022 (the eighth month), KVAL heralded yet another palindrome calendar week — noting, nonetheless, that exterior the Usa, palindrome weeks came along in a different form:

But what almost elsewhere in the world, where the date Baronial 1, 2018, is expressed non every bit month-day-year – like eight-one-xviii – but as day-month-year, like one-8-eighteen? They'll accept to wait until October for their next palindrome mean solar day. "In the remainder of the world, 8/ten/2018 will occur on 8 October 2018," Inan said. "Also, they don't take 11, they have merely 4 palindrome dates this yr instead of eleven."

Inan was frequently consulted when palindrome weeks or dates rolled around. TimeAndDate.com explained:

Depending on date formats, palindromic dates can be rare. Aziz Southward. Inan, an electrical technology professor at the University of Portland, has calculated that in the mm-dd-yyyy format, Palindrome Days tend to occur but in the first few centuries of each millennium (1000 years). The concluding palindromic appointment in the second millennium (years 1001 to 2000) in this format was August 31, 1380 or 08-31-1380.

[…]

Every bit long equally you write your date in the m-dd-yy format, every century has 9 years with 10 Palindrome Days in a row. These years are always in the second decade of the century. For example, every year between 2011-2019, 2111-2119, and 2211-2219 volition have 10 consecutive Palindrome Days. This is true for previous centuries as well.

Co-ordinate to Inan, the last palindrome date in the current millennium will be September 22, 2290. And September 2022 was the last palindrome week for the century.

In separate calculations on the Academy of Portland website [PDF] for "Palindrome Dates in the 21st Century," no palindrome weeks appeared. That set of numbers included:

In the Calendar month/Twenty-four hours/Year Date Format (26 seven-digit, 12 eight-digit, total 38 palindrome dates in the 21st century)[.]
In the Solar day/Month/Year Date Format (nine 7-digit, 29 eight-digit, total 38 palindrome dates in the 21st century)[.]

Those palindrome dates were calculated in plain strings, such as 091019 and 02022020 for February twenty 2020. When thus formatted, September 12 2022 (09122019) and its following dates were not palindromes. In guild to declare a palindrome calendar week, numbers had to be formatted without the outset zilch (nine versus 09).

A palindrome week took place each year from January 2011 in January to September 2019, although the net didn't seem likewise interested in Palindrome Week 2011; involvement seemed to really pick up around 2015. The beginning palindrome engagement in the same format after the final day of palindrome week 2022 was Feb 02 2022 (2022020.)

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Source: https://www.truthorfiction.com/palindrome-week-september-2019/

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