Discordian date: Difference between revisions

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=={{header|Swift}}==

<lang swift>import Foundation

let monthDays = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334]

let seasons = ["Chaos", "Discord", "Confusion", "Bureacracy", "The Aftermath"]

let dayNames = ["Sweetmorn", "Boomtime", "Pungenday", "Prickle-Prickle", "Setting Orange"]

let holyDays1 = ["Mungday", "Mojoday", "Syaday", "Zaraday", "Maladay"]

let holyDays2 = ["Chaoflux", "Discoflux", "Confuflux", "Bureflux", "Afflux"]

func discordianDate(date: Date) -> String {

let calendar = Calendar.current

let year = calendar.component(.year, from: date)

let month = calendar.component(.month, from: date)

let day = calendar.component(.day, from: date)

let discYear = year + 1166

if month == 2 && day == 29 {

return "St. Tib's Day in the YOLD \(discYear)"

}

let dayOfYear = monthDays[month - 1] + day - 1

let season = dayOfYear/73

let weekDay = dayOfYear % 5

let dayOfSeason = 1 + dayOfYear % 73

let ddate = "\(dayNames[weekDay]), day \(dayOfSeason) of \(seasons[season]) in the YOLD \(discYear)"

switch (dayOfSeason) {

case 5:

return ddate + ". Celebrate \(holyDays1[season])!"

case 50:

return ddate + ". Celebrate \(holyDays2[season])!"

default:

return ddate

}

}

func showDiscordianDate(year: Int, month: Int, day: Int) {

let calendar = Calendar.current

let date = calendar.date(from: DateComponents(year: year, month: month, day: day))!

let ddate = discordianDate(date: date)

let format = DateFormatter()

format.dateFormat = "yyyy-MM-dd"

print("\(format.string(from: date)): \(ddate)")

}

showDiscordianDate(year: 2022, month: 1, day: 20)

showDiscordianDate(year: 2020, month: 9, day: 21)

showDiscordianDate(year: 2020, month: 2, day: 29)

showDiscordianDate(year: 2019, month: 7, day: 15)

showDiscordianDate(year: 2025, month: 3, day: 19)

showDiscordianDate(year: 2017, month: 12, day: 8)</lang>

{{out}}

<pre>

2022-01-20: Setting Orange, day 20 of Chaos in the YOLD 3188

2020-09-21: Prickle-Prickle, day 45 of Bureacracy in the YOLD 3186

2020-02-29: St. Tib's Day in the YOLD 3186

2019-07-15: Sweetmorn, day 50 of Confusion in the YOLD 3185. Celebrate Confuflux!

2025-03-19: Pungenday, day 5 of Discord in the YOLD 3191. Celebrate Mojoday!

2017-12-08: Boomtime, day 50 of The Aftermath in the YOLD 3183. Celebrate Afflux!