datetime

How do I calculate the date difference?

How to calculate the date difference in Android? ...

Calculating amount of months between dates

Hi, How would you go about calculating the amount of months between two arbitrary dates? Given that even if just one day falls on a month, it is considered a full month. Examples: 2010-01-01 - 2010-03-31 = three months 2010-06-15 - 2010-09-01 = four months Et cetera. I thought of just dividing the difference of timestamps with 2592...

why wordpress using two column to store post date

I see wordpress database on wp_posts table, there are 2 columns to store post date, post_date and post_date_gmt post_date_gmt store the post date in GMT time. And post_date store post date in user time who create the post. Am I right? Is there any benefit to store both version of post date on database? Is it faster to store both versi...

Convert DateTime to string format("yyyyMMdd")

i am having a problem converting a datetime which is in string format but iam not able to convert it to yyyyMMdd format. my code is : string tpoc = refSubClaim.BenefitsFolder.BenefitFolderIdNumber.ToString(); string[] tpocinfo = Regex.Split(tpoc,";"); for (int i = 0; i < ...

.NET convert Datetime to format Sortable date/time pattern ("s");

Guys, Im working with VS2008, .NET and C#, and I need to send to one of our clients a DATETIME variable. The problem is that they want the Date in the format Sortable date/time pattern ("s"). When I get the actual datetime, it is a Datetime object. When I format it to the given format is now a String object, and it has the format I w...

Batch File: Iterate Over Files Modified Since a Given Date

I want to create a batch file that executes a command (delete the file, for a simple example, though my command is custom/different) on each file matching a wildcard (say *.jpg) that was modified since some date (such as 1-1-2010 or later). The date can either be hardcoded in the batch file or passed as a command line param. Pseudocode...

How to find GMT date/time by country name?

How can I find country name -> GMT date/time to that I can do like following: Example: $datetime = new GMT_search('America'); //output: 2010-01-01 00:00:00 $datetime = new GMT_search('India'); //output: 2010-01-01 ??:??:?? $datetime = new GMT_search('China'); //output: 2010-01-01 ??:??:?? I tried gmdate(), date_default_tim...

MVC2 Client-side validation for a DateTime?

What approach do you recommend for validating a DateTime on the client side in MVC? Let's say I have a model with a property named DateOfBirth that is a DateTime, like so. public class UserModel { [DataType(DataType.Date)] public DateTime DateOfBirth {get;set;} } On the View, I have a simple <%: Html.LabelFor(model=>model.D...

Dealing with various epochs in time manipulation queries.

Much has been written about the difference between SQL Server, Unix, and Microsoft OLE Automation Time epochs. SQL Server treats 1/1/1900 as the epoch, while OLE treated it as 12/30/1899 for various reasons. I've read all the history, and it's fascinating, but doesn't help me solve my problem. I find myself writing a lot of queries on...

comparing timestamps

HI, My php is very rusty and I can't quite remember how to do this. I have a script that i only want to call every 15 minutes. I've created a table called last_updated. What I want to do is have some code at the top of my script that queries this last_updated table and if now() minus the last updated is greater than 15 minutes then run ...

Javascript: Date Issue

I create a new Date in javascript and provide it the string value of a date like so: >>> string_date = '2009-09-09'; >>> var myDate = new Date(string_date); >>> myDate Tue Sep 08 2009 20:00:00 GMT-0400 (EST) { locale="en"} The string date comes from a calendar picker widget and I write the value from that widget to a hidden input fiel...

How to update DATETIME field with existing data from same table

I have an sqlite database which currently holds an integer field called Year which currently only stores the year. In future versions I want to store a full date and time. I updated my table to include a FullDate field using alter table. > ALTER TABLE Files ADD COLUMN UploadDate DATETIME DEFAULT 0; Next, I want to migrate all the ex...

How (or more appropriately: Why) does JSON.Stringify change the Date() value?

See example of the issue here: http://www.jsfiddle.net/s2uYE/ Notice the second new Date() is 1hr behind the first new Date() even though they are initiated at the same time. This caused me so end of confusion in a recent project and I would just like to know why this happens and if this is a bug in how browsers handle dates when strin...

How do I get different timezone date in javascript?

I have timezone stored with me in a var like: timezone = "America/Los_Angeles". So by providing this timezone, can I get the LA's current time in Javascript? ...

How to change date format of a jQuery Date Picker plugin (Jonathan Leighton Input Date)

I am using Jonathan Leighton's Date Picker Plugin (Input Date) URl : http://jonathanleighton.com/projects/date-input The problem is, The selected date is in the format "16 Aug 2010" I want it to be in the format of "2010-08-16" i..e yyyy-mm-dd Also, is it possible to include timings as well.. i..e set both date and time using this plu...

ActiveRecord/NHibernate DateTime problem

I'm using ActiveRecord/NHibernate for ORM mapping in my project with PostgreSQL 8.4. I have following issue For class mapping [ActiveRecord(Schema = "public", Table = "test_bean")] public class TestBean { [PrimaryKey(SequenceName = "test_bean_id_seq", Generator = PrimaryKeyType.Sequence)] public int ID { get; set; } [Castle.A...

How do you guys handle Diff TimeZones in a website?

I got this answer from Kjensen and read the answers, but this is a different webapp I'm running scheduled events that process incoming orders, set Picking material, manage Track & Trace numbers, etc ... and I do this at a specific time of the day (set in Administration Panel) My server is in UK (DiscountAsp.net) but I'm 2 hours ahead. ...

What is the number of days between two dates?

We want to find the number of days between two dates. This is simple when the dates are in the same year. Is there a built-in way to do this if the dates are in different years, or do we just have to loop through each year? ...

How can I convert the time in a datetime string from 24:00 to 00:00 in Python?

I have a lot of date strings like Mon, 16 Aug 2010 24:00:00 and some of them are in 00-23 hour format and some of them in 01-24 hour format. I want to get a list of date objects of them, but when I try to transform the example string into a date object, I have to transform it from Mon, 16 Aug 2010 24:00:00 to Tue, 17 Aug 2010 00:00:00. W...

Format() not working in Visual Basic (Visual Studio 2005/ Win 7)

Hey everyone, I am having a problem with Format not working. I have tried several standard formats but it doesn't effect the output at all. Dim tempstring As String = Format(Now(), "M, m") and Dim date As Date = Format(Now(), "M, m") both have a final value of "8/16/2010 10:52:21 AM" Thanks for the help. Update I am still having pr...