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author | sheldonh <sheldonh@FreeBSD.org> | 2000-03-02 09:14:21 +0000 |
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committer | sheldonh <sheldonh@FreeBSD.org> | 2000-03-02 09:14:21 +0000 |
commit | 329223e6f229a55ee8fed800f358f30e994ed749 (patch) | |
tree | 5d5e6c715ccfb778a29f10e1ea16f06731edbda8 /lib/libcalendar/calendar.3 | |
parent | 05f0a865546b5e0b902987be72a75a7b0ef85d09 (diff) | |
download | FreeBSD-src-329223e6f229a55ee8fed800f358f30e994ed749.zip FreeBSD-src-329223e6f229a55ee8fed800f358f30e994ed749.tar.gz |
Remove single-space hard sentence breaks. These degrade the quality
of the typeset output, tend to make diffs harder to read and provide
bad examples for new-comers to mdoc.
Diffstat (limited to 'lib/libcalendar/calendar.3')
-rw-r--r-- | lib/libcalendar/calendar.3 | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/lib/libcalendar/calendar.3 b/lib/libcalendar/calendar.3 index ba889bf..1c760e6 100644 --- a/lib/libcalendar/calendar.3 +++ b/lib/libcalendar/calendar.3 @@ -98,7 +98,8 @@ and .Fn ndaysj provide conversions between the common "year, month, day" notation of a date and the "number of days" representation, which is better suited -for calculations. The days are numbered from March 1st year 1 B.C., starting +for calculations. +The days are numbered from March 1st year 1 B.C., starting with zero, so the number of a day gives the number of days since March 1st, year 1 B.C. The conversions work for nonnegative day numbers only. .Pp @@ -133,17 +134,21 @@ and .Fn ndaysj assume Julian Calendar throughout. .Pp -The two calendars differ by the definition of the leap year. The +The two calendars differ by the definition of the leap year. +The Julian Calendar says every year that is a multiple of four is a -leap year. The Gregorian Calendar excludes years that are multiples of +leap year. +The Gregorian Calendar excludes years that are multiples of 100 and not multiples of 400. This means the years 1700, 1800, 1900, 2100 are not leap years and the year 2000 is a leap year. The new rules were inaugurated on October 4, 1582 by deleting ten -days following this date. Most catholic countries adopted the new +days following this date. +Most catholic countries adopted the new calendar by the end of the 16th century, whereas others stayed with -the Julian Calendar until the 20th century. The United Kingdom and +the Julian Calendar until the 20th century. +The United Kingdom and their colonies switched on September 2, 1752. They already had to delete 11 days. .Pp |