JavaScript Date Is Invalid on iOS

Javascript date is invalid on iOS

Your date string is not in a format specified to work with new Date. The only formats in the spec are a simplified version of ISO-8601 (added in ES5 in 2009 and updated in ES2015 and ES2016), and the format output by Date.prototype.toString. Your string isn't in either format, but it's really close to the ISO-8601-like format. It would also be easy to change it to a format that isn't in the spec, but is universally supported

Four options for you:

• Use the upcoming Temporal feature (it's now at Stage 3)
• The specified format
• An unspecified format that's near-universally supported
• Parse it yourself

Use the upcoming Temporal feature

The Temporal proposal is at Stage 3 as of this update in August 2021. You can use it to parse your string, either treating it as UTC or as local time:

Treating the string as UTC:

// (Getting the polyfill)
const {Temporal} = temporal;

const dateString = "2015-12-31 00:00:00";
const instant = Temporal.Instant.from(dateString.replace(" ", "T") + "Z");
// Either use the Temporal.Instant directly:
console.log(instant.toLocaleString());
// ...or get a Date object:
const dt = new Date(instant.epochMilliseconds);
console.log(dt.toString());

<script src="https://unpkg.com/@js-temporal/polyfill/dist/index.umd.js"></script>

Javascript invalid Date on iphone

I just had an issue like this yesterday, but with internet explorer. I found that using a cross-browser date library like moment.js helped alleviate the issue:

var date = "2013-03-15 10:30:00";
date = moment(date, "YYYY-MM-DD HH:mm:ss").toDate();

Its just a wrapper around the date object, so the toDate() function returns its date object. If you want to take advantage of the formatting options moment provides, just remove the toDate().

Inconsistent behavior of JavaScript Date() function in iOS

You can split the string and then use the Date's constructor:

// Use this constructor
    new Date(year, month, day, hours, minutes, seconds, milliseconds)

// code goes like this
    let tokens = "2019-03-12 12:30:03".split(/[-: ]/g)
    let date = new Date(tokens[0], parseInt(tokens[1]) -1, tokens[2], tokens[3], tokens[4], tokens[5]);
    console.log(date);

This solution is working in safari, chrome and firefox browser.

Why is iPhone iOS showing invalid date for momentjs

I had figured out that it's the a flag in the format string. I changed it to YYYY-MM-DDTHH:mm:ss and it worked perfectly. Safari must not like am/pm data.

Javascript date parsing on Iphone

Not all browsers support the same date formats. The best approach is to split the string on the separator characters (-,   and :) instead, and pass each of the resulting array items to the Date constructor:

var arr = "2010-03-15 10:30:00".split(/[- :]/),
    date = new Date(arr[0], arr[1]-1, arr[2], arr[3], arr[4], arr[5]);

console.log(date);
//-> Mon Mar 15 2010 10:30:00 GMT+0000 (GMT Standard Time)

This will work the same in all browsers.

Date on iOS device returns NaN

Fixed this thanks to @Ian his comment ,

changed this:

var actiondate = new Date(date);

to this:

var t = date.split(/[- :]/);

// Apply each element to the Date function
var d = new Date(t[0], t[1]-1, t[2], t[3], t[4], t[5]);
var actiondate = new Date(d);

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