Retrieves the localized time of the post.
Parameters
$formatstringoptional- Format to use for retrieving the time the post was written. Accepts
'G','U', or PHP date format. Default'U'.Default:
'U' $gmtbooloptional- Whether to retrieve the GMT time.
Default:
false $postint|WP_Postoptional- Post ID or post object. Default is global
$postobject.Default:
null $translatebooloptional- Whether to translate the time string.
Default:
false 
Source
function get_post_time( $format = 'U', $gmt = false, $post = null, $translate = false ) {	$post = get_post( $post );	if ( ! $post ) {	return false;	}	$source = ( $gmt ) ? 'gmt' : 'local';	$datetime = get_post_datetime( $post, 'date', $source );	if ( false === $datetime ) {	return false;	}	if ( 'U' === $format || 'G' === $format ) {	$time = $datetime->getTimestamp();	// Returns a sum of timestamp with timezone offset. Ideally should never be used.	if ( ! $gmt ) {	$time += $datetime->getOffset();	}	} elseif ( $translate ) {	$time = wp_date( $format, $datetime->getTimestamp(), $gmt ? new DateTimeZone( 'UTC' ) : null );	} else {	if ( $gmt ) {	$datetime = $datetime->setTimezone( new DateTimeZone( 'UTC' ) );	}	$time = $datetime->format( $format );	}	/** * Filters the localized time of the post. * * @since 2.6.0 * * @param string|int $time Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. * @param string $format Format to use for retrieving the date of the post. * Accepts 'G', 'U', or PHP date format. * @param bool $gmt Whether to retrieve the GMT time. */	return apply_filters( 'get_post_time', $time, $format, $gmt ); } Hooks
- apply_filters( ‘get_post_time’, 
string|int $time ,string $format ,bool $gmt ) Filters the localized time of the post.
Changelog
| Version | Description | 
|---|---|
| 2.0.0 | Introduced. | 
For a complete list of date/time formatting options, the ‘PHP date format’ is available from the PHP.net reference website.