[REBOL] Re: Discordian dates?
From: johan:forsberg:6117:student:uu:se at: 25-Jun-2001 14:52
On 25-Jun-01, Chris wrote:
> Has anyone written a REBOL function to convert Gregorian dates
> to those used by the Paratheo-anametamystikhood of Eris Esoteric (or
> PPOE if you prefer) yet? I think "Sweetmorn, the 30th day of
> Confusion in the YOLD 3167" sounds so much better than Mon Jun 25
> 2001 ;)
Well, I had been thinking about doing it, bot not gotten around to it.
Here's the first version of my %ddate.r. It's almost untested, I just
threw a few dates at it and they came out OK. Please don't trust it
for anything very important as I may have messed something up :)
--
Johan Forsberg
-- Attached file included as plaintext by Listar --
-- File: ddate.r
REBOL [
title: "Discordian dates"
version: 0.0.1
author: "Johan Forsberg"
file: %ddate.r
email: [johan--forsberg--6117--student--uu--se]
date: 25-june-2001
ddate: "Sweetmorn, Confusion 30, Year of Our Lady of Discord 3167"
purpose: {Date Converter from the Gregorian to the Semi-Divinely
Revealed POEE Calendar.}
example: {poee-calendar/make-poee-date-string now}
]
poee-calendar: context [
seasons: ["Chaos" "Discord" "Confusion" "Bureaucracy" "The Aftermath"]
weekdays: ["Sweetmorn" "Boomtime" "Pungenday" "Prickle" "Setting Orange"]
holidays: [
apostle ["Mungoday" "Mojoday" "Syaday" "Zaraday" "Maladay"]
season ["Chaoflux" "Discoflux" "Confuflux" "Bureflux" "Afflux"]
]
leap-year?: function [year] [] [
return either ((year // 4) = 0) and ((year // 400) = 0) [true] [false]
]
get-day-of-year: function [date] [day] [
gregorian: [
31 (either leap-year? date/year [29] [28]) 31 30 31 30
31 31 30 31 30 31
]
day: date/day
for i 1 (date/month - 1) 1 [
day: day + do gregorian/:i
]
return day
]
get-season-and-day: function [date] [day season] [
day: get-day-of-year date
season: 1
while [day > 73] [
day: day - either (season = 1) and (leap-year? date/year) [74] [73]
season: season + 1
]
return reduce [season day]
]
make-poee-date: function [date] [sd wd] [
sd: get-season-and-day date
wd: (get-day-of-year date) // 5
return compose [
weekday (pick weekdays wd)
season (pick seasons sd/1)
day (sd/2)
year (date/year + 1166)
holiday (
switch/default sd/2 [
5 [pick holidays/apostle sd/1]
50 [pick holidays/season sd/1]
] [none]
)
]
]
make-poee-date-string: function [date] [pd] [
pd: make-poee-date date
return rejoin [
pd/weekday ", " pd/season " " pd/day
", Year of Our Lady of Discord " pd/year
either none? pd/holiday [""] [rejoin [" -- " pd/holiday]]
]
]
]
