PHP Carbon incorrectly formatting UNIX timestamp [duplicate]

Question

I receive a UNIX timestamp from a URL like so:

/api/v1/order_variations/60?d=1508364000000

When I retrieve and try to convert the timestamp into a readable format, Carbon outputs the incorrect date.

$timestamp = (int)$request->input('d');
$date = Carbon::createFromTimestamp($timestamp)->format('j F, Y');
dd($date);

The value of $timestamp is 1508364000000.

Carbon converts this to "25 February, 49768" but it should be "19 October, 2017"

If I use:

Carbon::createFromTimeStampUTC($timestamp)->toDateTimeString();

I get the same result.

Any ideas what I could be doing wrong?

This question was specific to the PHP carbon library and not converting Java timestamp to PHP. Please elaborate on your marking this thread a duplicate — Marcus Christiansen
– Marcus Christiansen, Commented Oct 18, 2017 at 10:04

sisve · Accepted Answer · 2017-10-17 09:32:33Z

8

Unix timestamps is the number of seconds since the epoch (1 January 1970), but you're using the number of milliseconds. Just divide the value with 1000 to get the number of seconds.

$timestamp = (int)$request->input('d');
$timestamp = intval($timestamp / 1000); // convert milliseconds to seconds

This results in the value "18 October 2017 22:00:00". The only way to get the value "19 October 2017" from this would be to use a timezone with a +02:00 offset (CEST? SAST? Africa/Johannesburg?).

edited Oct 17, 2017 at 9:32

answered Oct 17, 2017 at 9:25

sisve

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