From d0e50224dd4f962d9956dc29bcbe6757021f2151 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Thu, 31 Mar 2005 20:14:03 +0000 Subject: [PATCH] * calendar.texi (Calendar Systems): Say that the Persian calendar implemented here is the arithmetical one championed by Birashk. --- man/ChangeLog | 7 ++++++- man/calendar.texi | 6 ++++++ 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/man/ChangeLog b/man/ChangeLog index d808b9fe6d7..9027b90b4bc 100644 --- a/man/ChangeLog +++ b/man/ChangeLog @@ -1,3 +1,8 @@ +2005-03-31 Paul Eggert + + * calendar.texi (Calendar Systems): Say that the Persian calendar + implemented here is the arithmetical one championed by Birashk. + 2005-03-30 Glenn Morris * programs.texi (Fortran Motion): Fix previous change. @@ -21,7 +26,7 @@ (Longlines): New node. (Auto Fill): Don't index "word wrap" here. (Filling): Add Longlines to menu. - + 2005-03-29 Richard M. Stallman * xresources.texi: Minor fixes. diff --git a/man/calendar.texi b/man/calendar.texi index 999c29dae06..723fa7ce3c4 100644 --- a/man/calendar.texi +++ b/man/calendar.texi @@ -691,6 +691,12 @@ Their calendar consists of twelve months of which the first six have 31 days, the next five have 30 days, and the last has 29 in ordinary years and 30 in leap years. Leap years occur in a complicated pattern every four or five years. +The calendar implemented here is the arithmetical Persian calendar +championed by Birashk, based on a 2,820-year cycle. It differs from +the astronomical Persian calendar, which is based on astronomical +events. As of this writing the first future discrepancy is projected +to occur on March 20, 2025. It is currently not clear what the +official calendar of Iran will be that far into the future. @cindex Chinese calendar The Chinese calendar is a complicated system of lunar months arranged -- 2.39.2