dst « TimeZone « Java Data Type Q&A

1. Java Date, render with specific daylight mode    stackoverflow.com

I have a Java Date that is from this summer during daylight savings time. For example:

Jun 01, 2009 06:00 AM PDT

2. Arizona TimeZone Day Light Saving    stackoverflow.com

I am trying to get current time in specific time zones. I tried following code.

Calendar j = new GregorianCalendar(TimeZone.getTimeZone("US/Mountain"));
j.setTimeInMillis(Calendar.getInstance().getTimeInMillis());
System.out.println(j.get(Calendar.HOUR_OF_DAY)+":"+j.get(Calendar.MINUTE));
TimeZone tz = TimeZone.getTimeZone("US/Mountain");
System.out.println("tz.getRawOffset()"+tz.getRawOffset()/3600);
System.out.println(tz.getDSTSavings());
System.out.println

(tz.inDaylightTime(new Date()));

3. Building TimeZone object in Java    stackoverflow.com

I build a Java TimeZone object using the TimeZone String like GMT-8,GMT,PST,EST etc. This did not consider whether the timezone is daylight saving enabled or not.Now there is a requirement to include ...

4. What is the joda-time equivalent of few JDK TimeZone functions    stackoverflow.com

what is the joda-time equivalent of below methods in JDK.

1. TimeZone.getOffset()
2. TimeZone.getRawOffset()
3. TimeZone.inDaylightTime()
4. TimeZone.useDaylightTime()
5. TimeZone.getDSTSavings()

1. time in UTC = joda ...

5. Calculating a time duration with Joda-Time    stackoverflow.com

I'm trying to use Joda-Time in order to know time durations between two points in time, where each point is given in its own local timezone. E.g. :

DateTime ny = new DateTime(2011, ...

6. Does Timezone include DST information?    stackoverflow.com

I'm working on an application where I need to maintain times from different location. I'm using Date, Timezone classes in Java. My question is - does the Timezone class know details ...

7. Determine Timezone based on offset and DST offset    stackoverflow.com

I was wondering if there was a way to build a java TimeZone object given the 2 gmt-hour-offsets as integers. For example, if I was given (-5, -6), then I would ...

8. Using Joda Time with IATA Time zone    stackoverflow.com

Innovata publish the IATA Time Zone/Daylight Saving Time data for airline industry.
These files contains airport code, IATA Time Zone, start/stop date for UTC offset, UTC offset and ...

9. Determine dates of DST switch (both forwards and backwards) for a timezone in Java?    stackoverflow.com

I realize that you can check if a Date is inDaylightTime, but how can I determine when (or if) that Date switches to and from DST? I realize that I can ...

10. Java DST timezone question    forums.oracle.com

I am trying to write a procedure that will return the start and end times of Daylight Saving Time, when passed a timezone and a year. I have read the timezone method and the simpletimezone constructs, and I do not see how these constructs provide this information. I have tried things like the following to try to get more info but ...

11. DST offset is non-zero for "Asia/Calcutta" timezone for specific dates.    forums.oracle.com

What do you mean, error? Here's the data from the Olson TZ database: # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Kolkata 5:53:28 - LMT 1880 # Kolkata 5:53:20 - HMT 1941 Oct # Howrah Mean Time? 6:30 - BURT 1942 May 15 # Burma Time 5:30 - IST 1942 Sep 5:30 1:00 IST 1945 Oct 15 5:30 - IST So, ...

12. Help please: JDK DST Timezone Update Tool - 1.3.3    forums.oracle.com

I need to download the timezone updater tool ASAP before our daylight savings here in Australia change. When I follow the link from the sun page (I have been trying every day for 5 days now): [http://java.sun.com/javase/downloads/index.jsp#timezone|http://java.sun.com/javase/downloads/index.jsp#timezone] I get a "Transmission problems prevent your transaction from being processed correctly. The administrator has been notified by the system. Please try again soon." ...

13. Timezone.getOffset() and DST    forums.oracle.com

long date2Millis = date1Millis - tz1RawOffset; return new Date(date2Millis); } /** * toDate - Convert GMT Date, gmtDate, to a date of TimeZone, tz * @return Date */ public static Date toDate(Date gmtDate, TimeZone tz) { GregorianCalendar cal = new GregorianCalendar(tz); long dateMillis = gmtDate.getTime(); int tzRawOffset = tz.getOffset(dateMillis); int tzRawOffset = tz.getOffset(cal.get(Calendar.ERA), cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), cal.get(Calendar.DAY_OF_WEEK), cal.get(Calendar.MILLISECOND)); long rtnDateMillis = ...