[tz] Happy Leap Day...

[brian.inglis at systematicsw.ab.ca]

On 2024-02-29 07:11, Steve Allen via tz wrote:
> On Thu 2024-02-29T08:56:54-0500 Arthur David Olson via tz hath writ:
>> ...to those who celebrate; Happy March 0 to those who don't.
> Alas, I already celebrated Sunday on the bissextus.

Saturday 24 - second sixth day counting backwards including Kalendis Martius

RC church observed St.Matthias on February 24 but 25 in leap years

https://en.wikipedia.org/wiki/Bissextus

UK changed 1750 to February 29:
https://en.wikipedia.org/wiki/Calendar_(New_Style)_Act_1750

EU changed 2000 to February 29:
https://history.stackexchange.com/questions/56895/was-leap-day-ever-officially-observed-on-february-24