In What Format Is This Date String

In what format is this date string?

The proper format is yyyy-MM-dd'T'HH:mm:ss.SSSZZZZZ.

See Unicode Date Format Patterns.

Also, the ZZZZZ format for the +00:00 timezone format was added to iOS 6 and is not supported under iOS 5 or earlier.

What is this date format? 2011-08-12T20:17:46.384Z

The T is just a literal to separate the date from the time, and the Z means "zero hour offset" also known as "Zulu time" (UTC). If your strings always have a "Z" you can use:

SimpleDateFormat format = new SimpleDateFormat(
    "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.US);
format.setTimeZone(TimeZone.getTimeZone("UTC"));

Or using Joda Time, you can use ISODateTimeFormat.dateTime().

Convert string to date then format the date

Use SimpleDateFormat#format(Date):

String start_dt = "2011-01-01";
DateFormat formatter = new SimpleDateFormat("yyyy-MM-DD"); 
Date date = (Date)formatter.parse(start_dt);
SimpleDateFormat newFormat = new SimpleDateFormat("MM-dd-yyyy");
String finalString = newFormat.format(date);

Format a date string in javascript

Use Moment.js and the .format function.

moment('2017-06-10T16:08:00').format('MM/DD/YYYY');

Will output

06/10/2017

Beside the format function Moment.js will enrich you will alot more useful functions.

C# DateTime to YYYYMMDDHHMMSS format

DateTime.Now.ToString("yyyyMMddHHmmss"); // case sensitive

Convert String Date to String date different format

SimpleDateFormat format1 = new SimpleDateFormat("yyyy-MM-dd");
SimpleDateFormat format2 = new SimpleDateFormat("dd-MM-yyyy");
Date date = format1.parse("2013-02-21");
System.out.println(format2.format(date));

Format JavaScript date as yyyy-mm-dd

You can do:

function formatDate(date) {
    var d = new Date(date),
        month = '' + (d.getMonth() + 1),
        day = '' + d.getDate(),
        year = d.getFullYear();

    if (month.length < 2) 
        month = '0' + month;
    if (day.length < 2) 
        day = '0' + day;

    return [year, month, day].join('-');
}
 
console.log(formatDate('Sun May 11,2014'));

How to format date string in java?

use SimpleDateFormat to first parse() String to Date and then format() Date to String

DateTime string format in c#

If I understand correctly, you can use DateTime.Today property like;

var dt1 = DateTime.Today;
var dt2 = DateTime.Today.AddDays(1).AddSeconds(-1);

and use DateTime.ToString() to format them like;

var DateFormatFrom = dt1.ToString("MM/dd/yyyy HH:mm:ss", CultureInfo.InvariantCulture);
var FilloutDateTo = dt2.ToString("MM/dd/yyyy HH:mm:ss", CultureInfo.InvariantCulture);

Results will be;

12/04/2014 00:00:00
12/04/2014 23:59:59

You used hh format specifier but it is for 12-hour clock. Use HH format specifier instead which is for 24-hour clock. And since your result strings doesn't have any AM/PM designator, you don't need to use tt format specifier.

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