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Java convert date and time between timezone
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Java convert date and time between timezone
packagecom.w3spoint;importjava.text.ParseException;importjava.text.SimpleDateFormat;importjava.util.Date;importjava.util.TimeZone;publicclass ConvertTimeZoneTest {privatestaticfinalString DATE_FORMAT ="dd-M-yyyy hh:mm:ss a";publicstaticvoid main(String args[])throwsInterruptedException, ParseException{SimpleDateFormat formatter =newSimpleDateFormat(DATE_FORMAT);String dateInString ="09-04-2018 11:55:35 AM";Date date = formatter.parse(dateInString);TimeZone tz =TimeZone.getDefault();//From TimeZone Asia/KolkataSystem.out.println("TimeZone : "+ tz.getID()+" - "+ tz.getDisplayName());System.out.println("TimeZone : "+ tz);System.out.println("Date (Singapore) : "+ formatter.format(date));//To TimeZone America/New_YorkSimpleDateFormat sdfAmerica =newSimpleDateFormat(DATE_FORMAT);TimeZone tzInAmerica =TimeZone.getTimeZone("America/New_York");
sdfAmerica.setTimeZone(tzInAmerica);String sDateInAmerica = sdfAmerica.format(date);// Convert to String firstDate dateInAmerica = formatter.parse(sDateInAmerica);// Create a new Date objectSystem.out.println("nTimeZone : "+ tzInAmerica.getID()+" - "+ tzInAmerica.getDisplayName());System.out.println("TimeZone : "+ tzInAmerica);System.out.println("Date (New York) (String) : "+ sDateInAmerica);System.out.println("Date (New York) (Object) : "+ formatter.format(dateInAmerica));}}
package com.w3spoint;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
public class ConvertTimeZoneTest {
private static final String DATE_FORMAT = "dd-M-yyyy hh:mm:ss a";
public static void main(String args[]) throws InterruptedException, ParseException{
SimpleDateFormat formatter = new SimpleDateFormat(DATE_FORMAT);
String dateInString = "09-04-2018 11:55:35 AM";
Date date = formatter.parse(dateInString);
TimeZone tz = TimeZone.getDefault();
//From TimeZone Asia/Kolkata
System.out.println("TimeZone : " + tz.getID() + " - " + tz.getDisplayName());
System.out.println("TimeZone : " + tz);
System.out.println("Date (Singapore) : " + formatter.format(date));
//To TimeZone America/New_York
SimpleDateFormat sdfAmerica = new SimpleDateFormat(DATE_FORMAT);
TimeZone tzInAmerica = TimeZone.getTimeZone("America/New_York");
sdfAmerica.setTimeZone(tzInAmerica);
String sDateInAmerica = sdfAmerica.format(date); // Convert to String first
Date dateInAmerica = formatter.parse(sDateInAmerica); // Create a new Date object
System.out.println("nTimeZone : " + tzInAmerica.getID() + " - "
+ tzInAmerica.getDisplayName());
System.out.println("TimeZone : " + tzInAmerica);
System.out.println("Date (New York) (String) : " + sDateInAmerica);
System.out.println("Date (New York) (Object) : " + formatter.format(dateInAmerica));
}
}
Output:
TimeZone: Asia/Calcutta - India Standard TimeTimeZone: sun.util.calendar.ZoneInfo[id="Asia/Calcutta",offset=19800000,
dstSavings=0,useDaylight=false,transitions=6,lastRule=null]Date(Singapore): 09-4-201811:55:35 AM
TimeZone: America/New_York - Eastern Standard TimeTimeZone: sun.util.calendar.ZoneInfo[id="America/New_York",offset=-18000000,dstSavings=3600000,
useDaylight=true,transitions=235,lastRule=java.util.SimpleTimeZone[id=America/New_York,
offset=-18000000,dstSavings=3600000,useDaylight=true,startYear=0,startMode=3,
startMonth=2,startDay=8,startDayOfWeek=1,startTime=7200000,startTimeMode=0,
endMode=3,endMonth=10,endDay=1,endDayOfWeek=1,endTime=7200000,endTimeMode=0]]Date(New York)(String): 09-4-2018 02:25:35 AM
Date(New York)(Object): 09-4-2018 02:25:35 AM
TimeZone : Asia/Calcutta - India Standard Time
TimeZone : sun.util.calendar.ZoneInfo[id="Asia/Calcutta",offset=19800000,
dstSavings=0,useDaylight=false,transitions=6,lastRule=null]
Date (Singapore) : 09-4-2018 11:55:35 AM
TimeZone : America/New_York - Eastern Standard Time
TimeZone : sun.util.calendar.ZoneInfo[id="America/New_York",offset=-18000000,dstSavings=3600000,
useDaylight=true,transitions=235,lastRule=java.util.SimpleTimeZone[id=America/New_York,
offset=-18000000,dstSavings=3600000,useDaylight=true,startYear=0,startMode=3,
startMonth=2,startDay=8,startDayOfWeek=1,startTime=7200000,startTimeMode=0,
endMode=3,endMonth=10,endDay=1,endDayOfWeek=1,endTime=7200000,endTimeMode=0]]
Date (New York) (String) : 09-4-2018 02:25:35 AM
Date (New York) (Object) : 09-4-2018 02:25:35 AM