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Java Data Type Q&A » Calendar » convert 

1. How to handle calendar TimeZones using Java?    stackoverflow.com

I have a Timestamp value that comes from my application. The user can be in any given local TimeZone. Since this date is used for a WebService that assumes the time given ...

2. Approach to convert from org.joda.time.DateTime to java.util.Calendar    stackoverflow.com

Anyone done this and can share? I see an option or two but want to know what others have accomplished.

3. converting a UTC time to a local time zone in Java    stackoverflow.com

I know this subject has been beaten to death but after searching for a few hours to this problem I had to ask. My Problem: do calculations on dates on a server ...

4. Convert a Julian Date to Regular Calendar Date    stackoverflow.com

How do I convert a 7-digit julian date into a format like MM/dd/yyy?

5. problem converting calendar to java.util.Date    stackoverflow.com

I need to create a java.util.Date object with an Australian timezone. this object is required for tag libraries used in downstream components (so I'm stuck with Date). Here's what I have attempted:

TimeZone ...

6. Joda time conversion incorrect with non-DST timezone    stackoverflow.com

I'm experiencing and issue with Joda that I believe may be a bug. However it is quite possible I'm making a mistake using the library, so please give me your ...

7. Calendar to date timezone problem    stackoverflow.com

I have a date object which is parsed from a string using SimpleDateFormat("HH:mm"). This date has the correct time, but not the correct day (It's in January 1970), so i create a ...

8. Converting a Date object to a calendar object    stackoverflow.com

So I get a date attribute from an incoming object in the form:

Tue May 24 05:05:16 EDT 2011
I am writing a simple helper method to convert it to a calendar method, ...

9. Java Calendar timezone converting to GMT problem    stackoverflow.com

I have one Calendar object which is as per the user's time zone which may be PST etc, now i want to convert the same to GMT and retain the time ...

10. Convert Calendar date to Date    stackoverflow.com

How can I convert the date returned by this

Calendar cal = Calendar.getInstance();
while(cal.get(Calendar.DAY_OF_WEEK) != Calendar.SUNDAY){
    cal.add(Calendar.DAY_OF_WEEK, 1);
}
System.out.println("Next sunday is " + cal.getTime());
Basically cal.getTime() to a Date format yyyy-MM-dd I am ...

14. Convert Calendar object to Date object    coderanch.com

Hi Friends i am stuck in a issue for which i need your help. i am trying to do a conversion between Date object to Calendar object. Till now i was successful in converting the Date object to Calendar object. below is the sample code to do that String dtStr="2007/05/24"; SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd"); Date dt = sdf.parse(dtStr); Calendar cal ...

15. Calendar conversion    coderanch.com

18. Converting XMLGregorianCalendar to Calendar with timeZone information    coderanch.com

What's the best way to convert XMLGregorianCalendar to Calendar with timezone information. I have been doing like this so far. I need to do this because I need to compare dates in my code. public static Calendar getCalendar(XMLGregorianCalendar xmlCalendar){ log.debug("Zone ID is " + xmlCalendar.getTimezone()); TimeZone timeZone = xmlCalendar.getTimeZone(xmlCalendar.getTimezone()); Calendar calendar = Calendar.getInstance(timeZone); calendar.set(Calendar.YEAR,xmlCalendar.getYear()); calendar.set(Calendar.MONTH,xmlCalendar.getMonth()-1); calendar.set(Calendar.DATE,xmlCalendar.getDay()); calendar.set(Calendar.HOUR_OF_DAY,xmlCalendar.getHour()); calendar.set(Calendar.MINUTE,xmlCalendar.getMinute()); calendar.set(Calendar.SECOND,xmlCalendar.getSecond()); return calendar; ...

19. How to convert to/from calendars to/from dates.    forums.oracle.com

Please shrink your code down to the bare minimum that compiles and demonstrates the problem. Do not include any tests that pass. Just the one that fails, and describe clearly exactly how it fails--what's expected and what is observed instead. You can probably even get rid of the separate test class and just put it all in main, or at least ...

20. Java Calendar to Date Conversion Question    forums.oracle.com

21. Help converting Calendar timezones!    forums.oracle.com

I am getting Date strings from a Web Service in the following format: 2007-11-14 22:30:49.710 They are in GMT time. I create Calendar objects and parse that date String like so: SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"); Calendar date = new GregorianCalendar(TimeZone.getTimeZone("GMT")); date.setTimeInMillis(sdf.parse(dateString).getTime()); I output the date now. I then convert it to EST (local timezone): date.setTimeZone(TimeZone.getDefault()); Then I output the ...

22. How to Convert Calendar to Date    forums.oracle.com

My problem is very simple.... I am accepting from the user date in Calendar format in java. This Date has to now be passed to Oracle through a procedure. But, Oracle does not accept the Calendar format so i need to convert the Calendar date to Date.... Pls tell me how to do this.??????

23. Convert Calendar object to Date object    forums.oracle.com

Hi Friends i am stuck in a issue for which i need your help. i am trying to do a conversion between Date object to Calendar object. Till now i was successful in converting the Date object to Calendar object. below is the sample code to do that String dtStr="2007/05/24"; SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd"); Date dt = sdf.parse(dtStr); Calendar cal ...

24. Calendar to Date conversion using correct TimeZone    forums.oracle.com

I get object of Date type from external storage, it's in UTC. What I need is to convert it to TimeZone of Amsterdam. But I run this code in Ukraine (it's in different TimeZone than Amsterdam) Date dateInUTC = getDateFromExternalStorage(); Calendar calendar = Calendar.getInstance(); calendar.setTimeZone(TimeZone.getTimeZone("Europe/Amsterdam")); calendar.setTime(dateInUTC); //after this I have got CORRECT date in the Calendar Date dateNew = calendar.getTime(); My ...

25. Convert Calendar Object to Date object    forums.oracle.com

Hi all! I have a program that gets the date that falls on monday of the current week... but the result is a Calendar object. Now, I need to convert this one into date so that I can use the date object with SimpleDateFormatter Class to change its format. Here is the code i used: //Get current date Calendar calendar=td.getCalendarDate(); //set ...

26. converting time stamp in SECONDS to a calendar date format.. problems    forums.oracle.com

Hello. I'm trying to convert a long interger that represents the number of SECONDS passed since the 1970 date the number was originally generated by php's mktime() function one of the numbers I have for example is this : 1126933200 I haven't done the math but this is a date probably around september of 2005.. it's irrelevant anyhow. I want to ...

27. Problem Converting from Date to Calendar    forums.oracle.com

Yes, that worked. Thanks. Think I have been staring too long at the code!! I see so many snippets of finding the difference between two dates, but none worked until I specified the time zone first. Just some info for anyone else out there trying to diff to dates. Calendar elapsedCalendar = Calendar.getInstance(TimeZone.getTimeZone("PDT"));

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