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Dates
Printing

Display information about a date

Display the day of month, day of year, month name and day name of the day 8 days from now.
ruby
require 'date'

next_week = Date.today + 8

puts next_week.day # day of month
puts next_week.yday # day of year
puts next_week.strftime('%B') # month name
puts next_week.strftime('%A') # day name
cpp
QDate dateEightDaysFromNow = QDate::currentDate().addDays(8);
fsharp
Using F# interactive

> let Then = DateTime.Now.AddDays(8.0)
- let dayNumber = Then.DayOfYear.ToString()
- let solution = Then.ToString("dd " + dayNumber + " MMMM dddd");;

val Then : DateTime = 08/08/2010 08:58:05
val dayNumber : string = "220"
val solution : string = "08 220 August Sunday"

>

Display a date in different locales

Display a language/locale friendly version of New Year's Day for 2009 for several languages/locales. E.g. for languages English, French, German, Italian, Dutch the output might be something like:

Thursday, January 1, 2009
jeudi 1 janvier 2009
giovedì 1 gennaio 2009
Donnerstag, 1. Januar 2009
donderdag 1 januari 2009

(Indicate in comments where possible if any language specific or operating system configuration needs to be in place.)
cpp
QList<QLocale::Language> locales;
locales << QLocale::English
<< QLocale::French
<< QLocale::German
<< QLocale::Italian
<< QLocale::Dutch;

QDate date(2009, 1, 1);
foreach (QLocale::Language ll, locales)
{
QLocale::setDefault(ll);
qDebug() << date.toString(Qt::DefaultLocaleLongDate);
}
fsharp
open System
open System.Globalization

let jan1 = DateTime(2009, 1, 1)

[ "en-US"; "fr-FR"; "de-DE"; "it-IT"; "nl-NL" ]
|> List.map CultureInfo.CreateSpecificCulture
|> List.map (fun c -> jan1.ToString("D", c))
|> List.iter (printfn "%s")