うるう年, Leap Year

この仕事してると毎回これ調べてる気がするな。。。

https://en.wikipedia.org/wiki/Leap_year_bug
http://www.ptfinc.com/wp-content/uploads/2015/10/Leap-Seconds-and-Leap-Years.pdf

https://www.timeanddate.com/date/leapyear.html
https://www.syracuse.com/news/2016/02/why_do_we_call_it_leap_year_fun_facts_to_make_you_smarter_on_leap_day_video.html

Leapてそういうことだったか。うーんおもろ。

 

 

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