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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.
python
from datetime import datetime, timedelta

eightDaysFromNow = datetime.now() + timedelta(days=8)

print eightDaysFromNow.strftime('%d') # day of month
print eightDaysFromNow.strftime('%j') # day of year
print eightDaysFromNow.strftime('%B') # month name FULL
print eightDaysFromNow.strftime('%A') # day of week name FULL
clojure
(let [cal (Calendar/getInstance)]
(.add cal Calendar/DAY_OF_YEAR 8)
(println (.format (SimpleDateFormat. "d, D, MMMM, EEEE")
(.getTime cal))))
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"

>
fantom
date := Date.today + 8day
echo(date.day)
echo(date.dayOfYear)
echo(date.month.localeFull)
echo(date.weekday.localeFull)
java
Calendar cal = Calendar.getInstance();
cal.add(DAY_OF_YEAR, 8);
System.out.println(cal.get(DAY_OF_MONTH));
System.out.println(cal.get(DAY_OF_YEAR));
System.out.println(new SimpleDateFormat("MMMM").format(cal.getTime()));
System.out.println(new SimpleDateFormat("EEEE").format(cal.getTime()));
cpp
QDate dateEightDaysFromNow = QDate::currentDate().addDays(8);
groovy
use (TimeCategory) {
eight_days_time = 1.week.from.now + 1.day
}
println eight_days_time[DAY_OF_MONTH]
println eight_days_time.format('d') // alternative to above
println eight_days_time[DAY_OF_YEAR]
println eight_days_time.format('MMMM')
println eight_days_time.format('EEEE')

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.)
python
from datetime import datetime
from locale import setlocale, LC_TIME

now = datetime(2009, 1, 1)

locales = ('en_us', 'fr_fr', 'it_it', 'de_de', 'nl_nl')
for locale in locales:
setlocale(LC_TIME, locale)
print now.strftime('%A, %B %d %Y')

clojure
(let [time (.getTime (GregorianCalendar. 2009 Calendar/JANUARY 1))]
(doseq [locale ["en" "fr" "it" "de" "nl"]]
(println (.format (DateFormat/getDateInstance DateFormat/FULL
(Locale. locale))
time))))
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")
fantom
// May require modification of Fantom distribution t
// for undefined locales - basically just create a '<locale-name>.props' plain text file with values like this:
// sunAbbr=Sun
// ..
// sunFull=Sunday
["en", "fr", "ru"].map { Locale(it) }.each |Locale l| {
l.use { echo(Date(2009, Month.jan, 1).toLocale("WWWW, MMMM D, YYYY")) }
}
java
Calendar cal = Calendar.getInstance();
cal.set(2009, Calendar.JANUARY, 1);
Locale[] locales = { ENGLISH, FRENCH, ITALIAN, GERMAN, new Locale("nl") };

for (Locale l : locales) {
System.out.println(getDateInstance(FULL, l).format(cal.getTime()));
}
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);
}
groovy
cal = Calendar.instance
cal.set(2009, JANUARY, 1)
[ENGLISH, FRENCH, ITALIAN, GERMAN, new Locale('nl')].each { lang ->
println getDateInstance(FULL, lang).format(cal.time)
}

// relies on Java I18N capabilities which supports many locales, see:
// http://java.sun.com/javase/technologies/core/basic/intl/
// available Locales may depend on your version of Java and/or
// operating system and/or installed fonts