Post Aa8Ogg11CtZAXdyZfM by dan_turner@cosocial.ca
 (DIR) More posts by dan_turner@cosocial.ca
 (DIR) Post #Aa8HRYA5QRDKA23co4 by dan_turner@cosocial.ca
       2023-09-24T01:52:43Z
       
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       The longest year on record was 1972.It was a leap year, so it had 366 days, but it is also the only year to have had 2 leap seconds, making it 31,622,402 seconds long. Most "regular" years are only 31,536,000 seconds.
       
 (DIR) Post #Aa8HRZ3k5VjWwe64Ya by dan_turner@cosocial.ca
       2023-09-24T18:24:04Z
       
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       Correction: It's the longest recorded year *since introducing leap seconds.*The longest recorded year up to that point was 46 BCE, where the Romans added three whole-ass months to their year, for a total of 445 days in one orbit of the sun.
       
 (DIR) Post #Aa8HRZrN6zQrQZJhui by mansr@society.oftrolls.com
       2023-09-25T17:31:31Z
       
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       @dan_turner What was the shortest year?
       
 (DIR) Post #Aa8Ogg11CtZAXdyZfM by dan_turner@cosocial.ca
       2023-09-25T18:51:26Z
       
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       @mansr I'm not sure off hand, but 1582 seems like a good candidate as many Catholic countries adopted the Gregorian calendar on that day and "lost" 10 days of their year, making the year 355 days long (the solar year was still 365 days). 1752 is also a candidate, since that's when the British Empire adopted the Gregorian calendar. Greece was the last country to adopt the Gregorian calendar in 1923.https://fem.social/@mehdorn/111126372538194311https://www.legislation.gov.uk/apgb/Geo2/24/23/contents
       
 (DIR) Post #Aa8OghdhAa69Zt4yae by dan_turner@cosocial.ca
       2023-09-25T18:52:26Z
       
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       @mansr Most places "lost" 10 days, making their year only 355 days. However, different countries changed at different times. Some "lost" 13 days. Some converted from calendars other than the Julian Calendar (e.g. Egypt).
       
 (DIR) Post #Aa8Ow3rmoN20rGzfiy by mansr@society.oftrolls.com
       2023-09-25T18:55:28Z
       
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       @dan_turner And then there was Sweden. The switch there was pure chaos.
       
 (DIR) Post #Aa8PqgRGaUzchkaZKy by dan_turner@cosocial.ca
       2023-09-25T19:05:40Z
       
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       @mansr Indeed :-| https://cosocial.ca/@dan_turner/111127332644422928