RosettaCodeData/Task/Date-manipulation/Smalltalk/date-manipulation-2.st

30 lines
787 B
Smalltalk

|s abbrDict dt|
s := 'March 7 2009 7:30pm EST'.
"Build a abbreviation -> offset for timezones (example)"
abbrDict := Dictionary new.
abbrDict at: 'EST'
put: { (Duration days: 0 hours: -5 minutes: 0 seconds: 0).
(DateTime year: 2009 month: 3 day: 8 hour: 2 minute: 0 second: 0).
(Duration days: 0 hours: 1 minutes: 0 seconds: 0) }.
dt := DateTimeTZ readFromWithMeridian: (s readStream) andTimeZone: abbrDict.
dt := dt + (Duration days: 0 hours: 12 minutes: 0 seconds: 0).
"let's print it"
('%1 %2 %3 %4:%5%6 %7' %
{
(dt dateTime) monthName asString.
(dt dateTime) day.
(dt dateTime) year.
(dt dateTime) hour12.
(dt dateTime) minute.
(dt dateTime) meridianAbbreviation asString.
dt timeZoneName.
}) displayNl.
(dt dateTime) asUTC displayNl.