Date manipulation: Difference between revisions
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{{task|Text processing}} |
{{task|Text processing}} |
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Given the date string "March 7 2009 7:30pm EST", output the time 12 hours later in any human-readable format. |
Given the date string "March 7 2009 7:30pm EST", output the time 12 hours later in any human-readable format. |
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=={{header|Java}}== |
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<lang Java>import java.util.Date; |
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import java.text.SimpleDateFormat; |
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public class DateManip{ |
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public static void main(String[] args) throws Exception{ |
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String dateStr = "March 7 2009 7:30pm EST"; |
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SimpleDateFormat sdf = new SimpleDateFormat("MMMM d yyyy h:mma zzz"); |
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Date date = sdf.parse(dateStr); |
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date.setTime(date.getTime() + 43200000l); |
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System.out.println(sdf.format(date)); |
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} |
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}</lang> |
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Output: |
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<pre>March 8 2009 8:30AM EDT</pre> |
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or using <tt>System.out.println(date);</tt> as the last line: |
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<pre>Sun Mar 08 08:30:00 EDT 2009</pre> |
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=={{header|Tcl}}== |
=={{header|Tcl}}== |
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{{works with|Tcl|8.5}} |
{{works with|Tcl|8.5}} |
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Revision as of 20:33, 13 May 2009
You are encouraged to solve this task according to the task description, using any language you may know.
Given the date string "March 7 2009 7:30pm EST", output the time 12 hours later in any human-readable format.
Java
<lang Java>import java.util.Date; import java.text.SimpleDateFormat; public class DateManip{
public static void main(String[] args) throws Exception{
String dateStr = "March 7 2009 7:30pm EST";
SimpleDateFormat sdf = new SimpleDateFormat("MMMM d yyyy h:mma zzz");
Date date = sdf.parse(dateStr);
date.setTime(date.getTime() + 43200000l);
System.out.println(sdf.format(date));
}
}</lang> Output:
March 8 2009 8:30AM EDT
or using System.out.println(date); as the last line:
Sun Mar 08 08:30:00 EDT 2009
Tcl
<lang tcl>set date "March 7 2009 7:30pm EST" set epoch [clock scan $date -format "%B %d %Y %I:%M%p %z"] set later [clock add $epoch 12 hours] puts [clock format $later] ;# Sun Mar 08 08:30:00 EDT 2009</lang>
Note the transition into daylight savings time in the interval (in the Eastern timezone).