OK ---- I'm getting conflicting sources --- So, you thought that was weird?
There was another calendar shift in September 1752 to fix a coding error
So in mid-1975, some high-level AT&T officials met with the Pope, and came to an agreement. The calendar was retroactively changed to bring September 1752 in line with UNIX reality.
Quoting Wikipedia “Thursday 4 October 1582 was followed by Friday 15 October 1582.”
OK ---- I'm getting conflicting sources --- So, you thought that was weird?
There was another calendar shift in September 1752 to fix a coding error
So in mid-1975, some high-level AT&T officials met with the Pope, and came to an agreement. The calendar was retroactively changed to bring September 1752 in line with UNIX reality.
https://unix.stackexchange.com/questions/17903/is-cal-broken-what-happened-in-september-1752
The command "cal 9 1752" gives
That’s a /humor post (it was a joke)
the "ncal" command also has three different dates of Easter functions
Julian Orthodox Easter (ncal -J -o 1984)
04/09/1984
Western church Easter (ncal -e 1984)
4/22/1984
Greek and Russian Orthodox Easter (ncal -o 1984)
04/22/1984