Date formatting in javascript with bad format

Question

I want to format a date, which has a bad format.

For example:

Mar 8, 2019 5:13pm GMT+0100

It would work, if it would've the following format:

Mar 8, 2019 17:13:00 GMT+0100

Is there any way to format the date quickly, so it can be parsed by the default javascript Date function?

I tried to find the substr by pm/am. But I don't know how to get the rest of it(5:13pm) and also how to format it "automatically". I thought about adding 12, but I am not sure how to grab the substring.

Thanks in advance.

Edit:

As for now I wsa using momentJs, but this is not working either.

function returnFormatedDate(dt)
{
    return moment(dt).format('DD.MM.YY HH:mm');
};

Returns "invalid date"

Edit2: Example code but I prefer Chris G.'s one:

var str = "Mar 8, 2019 5:13pm GMT+0100";
var parts = str.split(" ");
console.log(parts);
if(3 in parts)
{
  badPart = parts[3];
  
  if(badPart.includes("pm"))
  {
    var newBadPart = badPart.replace('pm', '');
    var moddedDate = newBadPart.split(":");
    moddedDate[0] = 12 + Number(moddedDate[0]);
    badPart = moddedDate.join(":");
  }
  else if(badPart.includes("am"))
  {
   badPart.replace("am", ""); 
  }
  var newParts = [parts[0], parts[1], parts[2], badPart, parts[4]];
  var dte = new Date(newParts.join(" "));
  console.log(dte);
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

Start with var parts = dt.split(" "); The bad time is now in parts[3]. — user5734311
– user5734311, Commented Jul 19, 2019 at 10:36

spyro95 · Accepted Answer · 2019-07-19 12:21:40Z

1

This is my solution:

var str = "Mar 8, 2019 5:13pm GMT+0100";
var parts = str.split(" ");
console.log(parts);
if(3 in parts)
{
  badPart = parts[3];
  
  if(badPart.includes("pm"))
  {
    var newBadPart = badPart.replace('pm', '');
    var moddedDate = newBadPart.split(":");
    moddedDate[0] = 12 + Number(moddedDate[0]);
    badPart = moddedDate.join(":");
  }
  else if(badPart.includes("am"))
  {
   badPart.replace("am", ""); 
  }
  var newParts = [parts[0], parts[1], parts[2], badPart, parts[4]];
  var dte = new Date(newParts.join(" "));
  console.log(dte);
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

And this is Chris G's, which I prefere more: https://jsfiddle.net/khrismuc/2esxhyqb

answered Jul 19, 2019 at 12:21

spyro95

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Comments

Gulshan S · Accepted Answer · 2019-07-19 11:07:18Z

0

Here is the solution:

var timestamp = "Mar 8, 2019 5:13pm GMT+0100";

var cur_date = timestamp.replace(/T/, ' ').replace(/\..+/, '').substr(0, 19);
console.log(cur_date)

answered Jul 19, 2019 at 11:07

Gulshan S

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1 Comment

spyro95 Over a year ago

This wont work: jsfiddle.net/qb0xrck9/1 I had to remove pm/am and convert it to valid time, in case its pm. Thank you anyway

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