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Java Data Type Q&A » Date Time » milliseconds 

1. Can I construct a jodatime.Duration object with milliseconds resolution?    stackoverflow.com

The API doesn't seem promising.

2. Is it possible to change the base millisecond refrence time 1970 to 2008 in java (like JSR-310)    stackoverflow.com

I want to be able to change the base millisecond reference from 1970 to 2008 in java so that I can save space in the database and unique Ids. Preferably with Joda-Time. The upcoming ...

3. How do you convert date taken from a bash script to milliseconds in a Java program?    stackoverflow.com

I am writing a piece of code in Java that needs to take a time sent from a bash script and parse the time to milliseconds. When I check the ...

4. How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?    stackoverflow.com

I would like to have them as strings.

5. Rounding up milliseconds when printing with Joda Time    stackoverflow.com

I'm implementing a count-down using Joda Time. I only need a display accuracy of seconds. However when printing the time, the seconds are displayed as full seconds, so when the count down ...

6. JodaTime DateFormatter to display milliseconds if nonzero    stackoverflow.com

I want to display a list of dates that may or may not have milliseconds on them. If a certain entry has milliseconds, then it should be displayed like yyyy ...

7. How to change date's format from milliseconds    stackoverflow.com

I am receiving last modification date of a file, using below code :

xmlUrl = new URL("http://java.sun.com/j2se/1.4.2/docs/api/java/text/SimpleDateFormat.html");
URLConnection urlconn = xmlUrl.openConnection();
urlDate =  new Date(urlconn.getLastModified());
In result I am getting date in below format:
Tue ...

8. Add milliseconds to Java date, when milliseconds is long    stackoverflow.com

I am looking for the best way to add milliseconds to a Java Date when milliseconds is stored as a 'long'. Java calendar has an add function, but it only takes ...

9. Comparing dates in milliseconds    stackoverflow.com

Say I have two date fields receiveDate and currentDate. I want to check if receiveDate was 5 days before currentDate. What I did was to convert the dates in milliseconds and ...

10. converting milliseconds value to date?    stackoverflow.com

consider the followign code:

public void convertTime()
{
    DateFormat df = new SimpleDateFormat(dateFormat);
    Date date;
    Date date2;

    date = df.parse("15/01/2010 21:58:54");
 ...

11. Creating a GregorianCalendar instance from milliseconds    stackoverflow.com

I have a certain time in milliseconds (in a Timestamp object) and I want to use it to create a GregorianCalendar object. How can I do that? EDIT: How do I do ...

12. Why do date manipulation in Java with milliseconds?    stackoverflow.com

I was recently faced with the problem of calculating the number of days from two dates in Java (without using joda, I'm afraid). Searching on the 'net shows most answers to ...

13. getMilliseconds() out of Java Date    stackoverflow.com

I need a function like long getMillis(Date aDate); that returns the milliseconds of the Date second. I cannot use Yoda, SimpleDateFormat or other libraries because it's gwt code. My current solution is doing date.getTime() % ...

14. Java: Millisecond timestamp string to float    stackoverflow.com

I have this String: 1303317717.65384 - It's a UNIX timestamp (1303317717) with milliseconds (65384). How can I convert this to a float in Java? I am always getting 1.06172723E9 when giving it ...

15. Java library that adds/subtracts two Date objects to the precision of milliseconds    stackoverflow.com

I was looking thru java Date libraries 1. java.util.Date, 2. Date4J 3. Joda-time to find out whether I can perform time subtraction to two Date Objects, to the precision of milliseconds. I receive 2011-05-29T22:50:12.692 as a ...

16. Formatting milliseconds to date String WITHOUT SimpleDateFormatter (which produces garbage)    stackoverflow.com

I am looking for a Java implementation of a date formatter from an epoch milliseconds long. I do NOT want to use SimpleDateFormatter because it produces garbage to the GC. I ...

17. Joda - remove seconds, milliseconds from PeriodFormat.getDefault().print()?    stackoverflow.com

I have a method like this:

public static String getFormattedDateDifference(DateTime startDate, DateTime endDate) {
        Period p = new Period(startDate, endDate);
     ...

18. Online calculator or accurate formula to calculate the number of milliseconds since 1970 to a given date?    stackoverflow.com

Can anyone give me the link to an online calculator or an accurate formula to calculate the number of milliseconds since 1970 to a given date? i have a function which ...

19. Freemarker model convert timestamp in milliseconds to date    stackoverflow.com

I have a csv-file which i want to transform with fmpp (freemarker). The first column is a long value (milliseconds since 1.1.1970) which i want to convert into a date and ...

20. How can I convert milliseconds into the corresponding date right?    stackoverflow.com

I have a problem with dates. I'm sure these milliseconds 1317322560000, represent the date of Thu Sep 29 18:56:00 GMT+02:00 2011 in Italy. But using the Calendar class the date is Thu Sep ...

21. Java dates difference in milliseconds    stackoverflow.com

I've written the following code, but I always just get... 4838399999 Seconds is : 59 Minutes is : 59 Hours is : 23 Days is : 7

Calendar xmas = Calendar.getInstance();
final Calendar now = Calendar.getInstance();

xmas.set(Calendar.YEAR, 2011);
xmas.set(Calendar.MONTH, Calendar.DECEMBER);
xmas.set(Calendar.DAY_OF_MONTH, ...

22. Get the number of milliseconds since some date    stackoverflow.com

How to get the number of milliseconds from October 15th 2011 1:52:34 P.M. I can get the number of milliseconds from the current time.

Date date = new Date();
     ...

23. How to convert year month day to proper UTC milliseconds from the epoch?    stackoverflow.com

I am trying to convert a date into milliseconds with the following code:

    GregorianCalendar gc = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
    gc.clear();
    gc.set(1900, 1, 1);

 ...

24. java convert milliseconds to date    stackoverflow.com

I have milliseconds in certain log file generated in server, I also know the locale from where the log file was generated, my problem is to convert milliseconds to date in ...

25. Java - Date conversion to milliseconds problem    coderanch.com

While converting from a date read from a file containing Date, Month, Year, Hour, Minute, Second, using the Calendar and Date objects with the Locale.UK as the standard local for all operations, there is a mismatch in the milliseconds form of the date when compared to the date format date stored. Both the milliseconds form of the date and the date ...

26. Milliseconds to date conversion    coderanch.com

27. get java Date object from milliseconds    coderanch.com

28. Date milliseconds    coderanch.com

long time = System.currentTimeMillis(); SimpleDateFormat sdf = new SimpleDateFormat("MMM dd,yyyy HH:mm:ss:ms"); java.util.Date resultdate = new java.util.Date(time); //java.util.Date resultdate1 = sdf.format(time); //returns String I want Date. // java.util.Date resultdate = sdf.parse(Long.toString(time)); //gives Exception System.out.println(sdf.format(resultdate)); Prints--Jan 11,2011 11:54:40:5440 I am confused that 999 is the max value for millisecond and value greter than this converts into seconds,then why is it showing 5440 ? ...

30. Convert date to milliseconds    forums.oracle.com

31. Errros in formatting dates with milliseconds    forums.oracle.com

I am writing a routine to convert a String to a Date. I have created the following mask: "yyyy-MM-dd HH:mm:ss.SSSSS" I pass this to SimpleDateFormat and then parse to return a java.util.Date. The method works fine when the milliseconds are all zero, ie .00012. however when the milliseconds increase, the resuting time in the date object becomes anywhere from a minute ...

32. Converting from milliseconds to a date format in java    forums.oracle.com

OK, Dates in Java are managed as "epoch time", that is the number of milliseconds since 1st January 1970 GMT. The only time you need to format them is normally when a human being needs to look at them. That's the point where you translate them according to the user's time zone into a string values. java.util.Date and java.sql.Date are just ...

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