If my memory is of any avail, week days repeat at regular
intervals of 18 years. Maybe I am wrong. Anyway, it is
easy to check if you have a perpetual calendar at hand.
It should be 28 years (for 7 days in a week x 4 years between leaps)
Specifically, there are 52 weeks plus 1 day in a year,
Hello Walter,
I use the calendar manager within the emacs editor on my linux system
and it has all of the features you mention. The stuff was primarily
written by Ed Reingold. For more information poke around
http://emr.cs.iit.edu/~reingold/
and especially
http://emr.cs.iit.edu/~reingold
A year is a leap year if it can be devided by four without
remaining, except if it ends in "00" (like 1900, 2000...) in
which case it must be devisible by 400 instead.
If my memory is of any avail, week days repeat at regular
intervals of 18 years. Maybe I am wrong. Anyway, it is
easy to check if
Hello everybody, if I am right the year 2000 had a februari 29. What is the
formula for calculating the year allready gone, also
with a februari 29 and where the names of the day were exactly the same, I
mean if januari 1 was a monday in 2000, it should also be a monday in the
year we are looking
It has come to my attention that I may have inadvertently given some of
you the impression that I am the author of the PostScript dodecahedron
desk calender which I recently mentioned here. I am not. The calender was
written by an Andrew Rogers, utilizing an existing dodecahedron program.
I
Hello Anton,
Thank you for your post, if you are interested in solar coordinates and
other related solar information (including rise/set times) you may want to use
a WWW based CGI application I wrote and just recently updated. As well as
computing
two forms of tabular data it also gene
