How to set input type date's default value to today?

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Given an input element:

<input type="date" />

Is there any way to set the default value of the date field to today's date?

41 Answers

HTML:

<input type="date" value="2022-01-31">

PHP:

<input type="date" value="<?= date('Y-m-d') ?>">

Date format must be "yyyy-mm-dd"

Javascript

document.getElementById('date-field').value = new Date().toISOString().slice(0, 10);

Jquery

$('#date-field').val(new Date().toISOString().slice(0, 10));

Another Option

If you want to customize the date, month and year just do sum or sub as your wish For month is started form 0 that is why need to sum 1 with the month.

function today() {
        let d = new Date();
        let currDate = d.getDate();
        let currMonth = d.getMonth()+1;
        let currYear = d.getFullYear();
        return currYear + "-" + ((currMonth<10) ? '0'+currMonth : currMonth )+ "-" + ((currDate<10) ? '0'+currDate : currDate );
    }

Appy the today function

document.getElementById('date-field').value = today();

$('#date-field').val(today());

Simplest working version I tested:

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<input type="date" id="date" name="date">
<script>
    $('#date').val(new Date().toJSON().slice(0,10));
</script>

This is very much simple by applying following code, Using PHP

<input type="date" value="<?= date('Y-m-d', time()); ?>" />

Date function will return current date, by taking date in time().

<input id="datePicker" type="date" />

$(document).ready( function() {
    var now = new Date();
 
    var day = ("0" + now.getDate()).slice(-2);
    var month = ("0" + (now.getMonth() + 1)).slice(-2);

    var today = now.getFullYear()+"-"+(month)+"-"+(day) ;


   $('#datePicker').val(today);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input id="datePicker" type="date" />

Both top answers are incorrect.

A short one-liner that uses pure JavaScript, accounts for the local timezone and requires no extra functions to be defined:

const element = document.getElementById('date-input');
element.valueAsNumber = Date.now()-(new Date()).getTimezoneOffset()*60000;
<input id='date-input' type='date'>

This gets the current datetime in milliseconds (since epoch) and applies the timezone offset in milliseconds (minutes * 60k minutes per millisecond).

You can set the date using element.valueAsDate but then you have an extra call to the Date() constructor.

The simplest solutions seem to overlook that UTC time will be used, including highly up-voted ones. Below is a streamlined, ES6, non-jQuery version of a couple of existing answers:

const today = (function() {
    const now = new Date();
    const month = (now.getMonth() + 1).toString().padStart(2, '0');
    const day = now.getDate().toString().padStart(2, '0');
    return `${now.getFullYear()}-${month}-${day}`;
})();

console.log(today);  // as of posting this answer: 2019-01-24

This is something you really need to do server-side as each user's local time format differs, not to mention each browser behaves different.

Html Date inputs value should be in this format: yyyy-mm-dd otherwise it will not show a value.

ASP CLASSIC , OR VBSCRIPT:

current_year = DatePart("yyyy",date) 
current_month = DatePart("m",date) 
current_day = DatePart("d",date) 

IF current_month < 10 THEN
current_month = "0"&current_month
END IF
IF current_day < 10 THEN
current_day = "0"&current_day
END IF

get_date = current_year&"-"&current_month&"-"&current_day
Response.Write get_date

Output of today's date : 2019-02-08

Then in your html: <input type="date" value="<% =get_date %>"

PHP

just use this: <input type="date" value="<?= date("Y-m-d"); ?>">

Even after all these time, it might help someone. This is simple JS solution.

JS

  let date = new Date();
  let today = date.toISOString().substr(0, 10);
  //console.log("Today: ", today);//test
  document.getElementById("form-container").innerHTML =
    '<input type="date" name="myDate" value="' + today + '" >';//inject field

HTML

 <form id="form-container"></form>

Similar solution works in Angular without any additional library to convert date format. For Angular (code is shortened due to common component code):

//so in myComponent.ts 
//Import.... @Component...etc...
date: Date = new Date();
today: String; //<- note String
//more const ...
export class MyComponent implements OnInit {
   //constructor, etc.... 
   ngOnInit() {
      this.today = this.date.toISOString().substr(0, 10);
   }
}
//so in component.html 
<input type="date" [(ngModel)]="today"  />

A future proof solution, also an alternative to .split("T")[0] that doesn't create a string array in memory, would be using String.slice() as shown below:

new Date().toISOString().slice(0, -14);

A lot of the answers given here, such as slice(0, 10), substring(0, 10) etc will fail in the future.
They use Date.toJSON() which returns Date.toISOString():

The toISOString() method returns a string in simplified extended ISO format (ISO 8601), which is always 24 or 27 characters long (YYYY-MM-DDTHH:mm:ss.sssZ or ±YYYYYY-MM-DDTHH:mm:ss.sssZ, respectively). The timezone is always zero UTC offset, as denoted by the suffix "Z".

Once the year becomes 5 digit, these answers will fail.

datePickerId.value = new Date().toISOString().slice(0, -14);
<input type="date" id="datePickerId" />

A simple solution:

<input class="set-today" type="date">
<script type="text/javascript">
    window.onload= function() {
        document.querySelector('.set-today').value=(new Date()).toISOString().substr(0,10));
    }
</script>

This returns in the same YYYY-MM-DD format as in ISO but in your local time instead of being UTC.

function getToday() {
    return new Date().toLocaleDateString('en-CA', {
        year: 'numeric',
        month: '2-digit',
        day: '2-digit'
    });
}

Use .defaultValue property of the input:date element to set the default value of the date to today's date.

<input type="date" id="date"/>

window.onload = function loadDate() {
    let date = new Date(),
        day = date.getDate(),
        month = date.getMonth() + 1,
        year = date.getFullYear();

    if (month < 10) month = "0" + month;
    if (day < 10) day = "0" + day;

    const todayDate = `${year}-${month}-${day}`;

    document.getElementById("date").defaultValue = todayDate;
};

loadDate();

Or make it IIFE/self-called function, on window load

window.onload = (function loadDate() {
    let date = new Date(),
        day = date.getDate(),
        month = date.getMonth() + 1,
        year = date.getFullYear();

    if (month < 10) month = "0" + month;
    if (day < 10) day = "0" + day;

    const todayDate = `${year}-${month}-${day}`;

    document.getElementById("date").defaultValue = todayDate;
})();

Using defaultValue property gives dynamic advantage, unlike setting the date using the value attribute.

Also, note that the date format must be matched, hence my use of the format for todayDate as:

yyyy-mm-dd

I believe this answers your question, except you want to set a static start and end date. To do this, kindly follow the example below from Mozilla:

https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/date>

Since Date type only accepts the format "yyyy-MM-dd", you need to format the date value accordingly.

Here is the solution for this,

var d = new Date();
var month = d.getMonth();
var month_actual = month + 1;

if (month_actual < 10) {
  month_actual = "0"+month_actual; 
  }

var day_val = d.getDate();
if (day_val < 10) {
  day_val = "0"+day_val; 
  }

document.getElementById("datepicker_id").value = d.getFullYear()+"-"+ month_actual +"-"+day_val;
$(document).ready(function(){
  var date = new Date();

  var day = ("0" + date.getDate()).slice(-2); var month = ("0" + (date.getMonth() + 1)).slice(-2);

  var today = date.getFullYear()+"-"+(month)+"-"+(day) ;
});

$('#dateid').val(today);

Nowadays, we should not use anymore moment.js but day.js to handle that without any side-effect. Moment.js was great, but it is not pushing forward, and it is relatively big but was very useful. day.js has good feature enough to be the new candidate to use for future years.

let now = dayjs(); /* same as now = dayjs(new Date()); */

Just for the sake of something new/different - you could use php to do it..

<?php
$todayDate = date('Y-m-d', strtotime('today'));
echo "<input type='date' value='$todayDate' />";
?>

You can generate the date in the right format like so:

const date = new Date().toLocaleDateString('en-CA')

and then assign it to your input element. In case you're using vue.js you can just do:

<input type="date" :value="date">

Here is an easy way to do this with javascript.

    var date = new Date();
    var datestring = ('0000' + date.getFullYear()).slice(-4) + '-' + ('00' + (date.getMonth() + 1)).slice(-2) + '-' + ('00' + date.getDate()).slice(-2) + 'T'+  ('00' +  date.getHours()).slice(-2) + ':'+ ('00' + date.getMinutes()).slice(-2) +'Z';
    document.getElementById('MyDateTimeInputElement').value = datestring;
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