Issue parsing DateTime

I have the following string 2023-07-18 11:38 AM

I'm trying to parse it using the following code to parse the same

fromDate = DateTime.ParseExact(adhocData.FromDateTime, 
                               "YYYY-MM-DD hh:mm tt",
                               CultureInfo.InvariantCulture).Date;

But i keep getting the following error

> String '2023-07-18 11:38 AM' was not recognized as a valid DateTime

Your format is slightly wrong, try:

DateTime.ParseExact("2023-07-18 11:38 AM", 
                    "yyyy-MM-dd hh:mm tt",
                    CultureInfo.InvariantCulture);

Note the caps of the year and day component!

Use the string format "yyyy-MM-dd hh:mm tt" instead of "YYYY-MM-DD hh:mm tt".

This fixed the problem and even the time is displaying properly.

see the program here

A better option would be to ensure ISO8601 is sent from the client. From the comments, the string is generated in a React application using moment with apiFromDateTime?.format('YYYY-MM-DD hh:mm a'). There's no need for this.

moment objects are serialized to ISO8601 out of the box though. The documentation example shows how an object containing a moment object gets serialized to JSON:

JSON.stringify({
    postDate : moment()
}); 

This produces

'{"postDate":"2013-02-04T22:44:30.652Z"}'

POSTing this to the server with fetch should just work. Borrowing MDN's fetch example :

const data={
    postDate : moment()
}

const response = await fetch("https://example.com/profile", {
      method: "POST", // or 'PUT'
      headers: {
        "Content-Type": "application/json",
      },
      body: JSON.stringify(data),
    });