timezone

Why does Java return a date in GMT-4.5 when choosing Co-ordinated Universal Time time zone in Windows?

We have seen a strange issue on some Windows XP machines involving the "Co-ordinated Universal Time" time zone. Not all Windows XP machines seem to have it, but on those that do, the following simple Java program public class TimeTest { public static void main(String[] args) { System.out.println(java.util.TimeZone.getDefault...

Credit card expiration dates in which timezone?

We know from Credit card expiration dates - Inclusive or exclusive? that credit card expires on the last day. However, in which time zone? ...

How to manage timezones in a web application?

Hi, I wan't to manage the different timezones of my users in my web application, but I have no idea where to start. I have to save the local time of each user in my database?, or maybe make the conversion to a UTC time, save it, and then make the conversion again to show it?, or there is another way? For example, if one of my users make ...

connection time zone issue with jOra eclipse plugin

I started using the jOra eclipse plugin. The plugin seems pretty robust and I'm hoping to stop using SQLDeveloper for 95% of my database needs. Many of our tables have columns of type TIMESTAMP with LOCAL TIME ZONE. I can connect to the oracle DB using a jdbc string and the plugin seems to function very well. However, when I try to...

Java Date, render with specific daylight mode

I have a Java Date that is from this summer during daylight savings time. For example: Jun 01, 2009 06:00 AM PDT My question is, how do I display this date as my local time zone and current daylight savings mode (in my case Pacific Standard Time)? Jun 01, 2009 05:00 AM PST Java's Date.toString() and SimpleDateFormat displays ...

C# Define begin of day of a date in another timezone

Hi, I want to define the begin of a day in another timezone with .NET/C#. Example: My current timezone = GMT+1 so DateTime.Today returns 19/11/2009 23:00 UTC but actually I want to get the DateTime.Today for timezone GMT+2 which would be 19/11/2009 22:00 UTC. How do I do this without juggling with offsets & daylightsaving calcu...

Set time zone using Clock Configuration Service Provider

I am attempting to use the Clock CSP to set the system time zone on a Windows Mobile 6 Professional device (Opticon H-19A). I am using the following XML: <characteristic type="clock"> <parm name="TimeZone" value="35" /> <characteristic> DMProcessConfigXML is returning E_FAIL and the XML output string matches the XML input string. ...

ICalendar parser in PHP that supports timezones

I am looking for a PHP class that can parse an ICalendar (ICS) file and correctly handle timezones. I already created an ICS parser myself but it can only handle timezones known to PHP (like 'Europe/Paris'). Unfortunately, ICS file generated by Evolution (default calendar software of Ubuntu) does not use default timezone IDs. It export...

What time does Google use in "Specific date range", GMT or PST?

When you click "Show options", you can specify a particular period, but what time zone does Google use? ...

Specify time zone of log4j's date

Is it possible to specify the time zone that log4j will use? I need the dates in the log file to be a different time zone than the application's. log4j's PatternLayout uses SimpleDateFormat. Unfortunately there doesn't appear to be a way to control SimpleDateFormat's time zone via the pattern string (DateFormat has setTimeZone method but...

Scheduling scripts at a different timezone

There are some programs/scripts that need to be run at specific times in a timezone different from the system timezone. A la crontab in Perl, but one that honors a timezone and DST rules in a region different from that in which the system is configured. Here is the use case : I will create an excel sheet with the time in PT in column B...

Python: parsing date with timezone from an email

I am trying to retrieve date from an email. At first it's easy: message = email.parser.Parser().parse(file) date = message['Date'] print date and I receive: 'Mon, 16 Nov 2009 13:32:02 +0100' But I need a nice datetime object, so I use: datetime.strptime('Mon, 16 Nov 2009 13:32:02 +0100', '%a, %d %b %Y %H:%M:%S %Z') which raise V...

TimeZoneInfo, if a timezone changes in the world, how quickly will microsoft roll out an update

I'm just wondering what happens in the case of a time zone changing, when your product is using .net. Is all you can do wait for Microsoft to update .net or write your own system for handling it? I'm assuming this stuff doesn't happen very often, but is this an example of why a close system may not be a good idea? ...

How do I get the current time in a different TimeZone in Java?

OK - I feel pretty dumb asking such a basic question, but hey. I'm trying to get the current time in a different timezone in a Java webapp. I've tried the following obvious solution: in my servlet, Calendar localCalendar = Calendar.getInstance(myBean.getTimeZone()); then I pass the calendar object through to a JSP as a request attribu...

How can I get the timezone of given gps coordinates on iPhone?

My question is simple. I have the GPS coordinates of a place and I need to know, in what time zone (and daylight saving settings) is on that place. Is any easy solution for this problem in objective c? ...

TimeZone problem in Java

Hi I am trying to instantiate GregorianCalendar with TimeZone GMT, but whenever I call the getTime() method, it gives me time in local TimeZone. Here is my code: Calendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT")); System.out.println(cal.getTime()); The output I am getting is this: Sat Nov 28 19:55:49 PKT 2009 Please...

Map Database timestamp column to UTC Calendar (JPA) and pass it as UTC date via WebService (jax-ws)

This sounds like a simple task. Get UTC timestamp value from DB and pass it as UTC date via Web Service. We have timestamp column DATE_COLUMN and store there time in UTC time zone. With JPA we get this time with @Column(name = "DATE_COLUMN") private java.sql.Timestamp dateValue; And as we have to pass this time via Web Service in U...

Is there a reliable way to convert unzoned datetime into UNIX time_t?

I need to convert a database column in a (MSSQL) database table into UNIX time_t. The problem is that this column does not have a timezone and some dates are from GMT (+0000) and some from BST (+0100). I am working on UK times. Is there a reliable way to convert unzoned datetime into UNIX time_t? I'm currently using SELECT *,DATEDIFF(s...

How to store timezone in SQL Server 2005

I am building a web application where users can enter events, including event title start date/time description The users would like to enter the start date/time including a timezone that corresponds with the location of the event. The events are worldwide so the timezone can change from event to event. In the SQL Server backend dat...

Date conditions using Search logic

The Rails plugin - Searchlogic, from binary logic - offers the ability to filter by date. I have my form set up like so... <% form_for @search do |f| %> <%= f.label :start %> <%= f.select :due_at_after, [[['','']],['November', '2009-11-01'.to_date],['December', '2009-12-01'.to_date]] %><br> <%= f.label :end %> <%= f.select :du...