diff --git a/wp-admin/edit-form-advanced.php b/wp-admin/edit-form-advanced.php
index fd09536db2..c19551751e 100644
--- a/wp-admin/edit-form-advanced.php
+++ b/wp-admin/edit-form-advanced.php
@@ -166,8 +166,14 @@ if ( $viewable ) {
 
 }
 
-/* translators: Publish box date format, see https://secure.php.net/date */
-$scheduled_date = date_i18n( __( 'M j, Y @ H:i' ), strtotime( $post->post_date ) );
+$scheduled_date = sprintf(
+	/* translators: Publish box date string. 1: Date, 2: Time. */
+	__( '%1$s at %2$s' ),
+	/* translators: Publish box date format, see https://secure.php.net/date */
+	date_i18n( _x( 'M j, Y', 'publish box date format' ), strtotime( $post->post_date ) ),
+	/* translators: Publish box time format, see https://secure.php.net/date */
+	date_i18n( _x( 'H:i', 'publish box time format' ), strtotime( $post->post_date ) )
+);
 
 $messages['post']       = array(
 	0  => '', // Unused. Messages start at index 1.
diff --git a/wp-admin/includes/meta-boxes.php b/wp-admin/includes/meta-boxes.php
index cff73e11f2..504b04eda1 100644
--- a/wp-admin/includes/meta-boxes.php
+++ b/wp-admin/includes/meta-boxes.php
@@ -194,28 +194,41 @@ function post_submit_meta_box( $post, $args = array() ) {
 </div><!-- .misc-pub-section -->
 
 	<?php
+	/* translators: Publish box date string. 1: Date, 2: Time. See https://secure.php.net/date */
+	$date_string = __( '%1$s at %2$s' );
 	/* translators: Publish box date format, see https://secure.php.net/date */
-	$datef = __( 'M j, Y @ H:i' );
+	$date_format = _x( 'M j, Y', 'publish box date format' );
+	/* translators: Publish box time format, see https://secure.php.net/date */
+	$time_format = _x( 'H:i', 'publish box time format' );
+
 	if ( 0 != $post->ID ) {
 		if ( 'future' == $post->post_status ) { // scheduled for publishing at a future date
 			/* translators: Post date information. %s: Date on which the post is currently scheduled to be published. */
-			$stamp = __( 'Scheduled for: <b>%s</b>' );
+			$stamp = __( 'Scheduled for: %s' );
 		} elseif ( 'publish' == $post->post_status || 'private' == $post->post_status ) { // already published
 			/* translators: Post date information. %s: Date on which the post was published. */
-			$stamp = __( 'Published on: <b>%s</b>' );
+			$stamp = __( 'Published on: %s' );
 		} elseif ( '0000-00-00 00:00:00' == $post->post_date_gmt ) { // draft, 1 or more saves, no date specified
 			$stamp = __( 'Publish <b>immediately</b>' );
 		} elseif ( time() < strtotime( $post->post_date_gmt . ' +0000' ) ) { // draft, 1 or more saves, future date specified
 			/* translators: Post date information. %s: Date on which the post is to be published. */
-			$stamp = __( 'Schedule for: <b>%s</b>' );
+			$stamp = __( 'Schedule for: %s' );
 		} else { // draft, 1 or more saves, date specified
 			/* translators: Post date information. %s: Date on which the post is to be published. */
-			$stamp = __( 'Publish on: <b>%s</b>' );
+			$stamp = __( 'Publish on: %s' );
 		}
-		$date = date_i18n( $datef, strtotime( $post->post_date ) );
+		$date = sprintf(
+			$date_string,
+			date_i18n( $date_format, strtotime( $post->post_date ) ),
+			date_i18n( $time_format, strtotime( $post->post_date ) )
+		);
 	} else { // draft (no saves, and thus no date specified)
 		$stamp = __( 'Publish <b>immediately</b>' );
-		$date  = date_i18n( $datef, strtotime( current_time( 'mysql' ) ) );
+		$date  = sprintf(
+			$date_string,
+			date_i18n( $date_format, strtotime( current_time( 'mysql' ) ) ),
+			date_i18n( $time_format, strtotime( current_time( 'mysql' ) ) )
+		);
 	}
 
 	if ( ! empty( $args['args']['revisions_count'] ) ) :
@@ -234,10 +247,14 @@ endif;
 		?>
 <div class="misc-pub-section curtime misc-pub-curtime">
 	<span id="timestamp">
-		<?php printf( $stamp, $date ); ?></span>
-	<a href="#edit_timestamp" class="edit-timestamp hide-if-no-js" role="button"><span aria-hidden="true"><?php _e( 'Edit' ); ?></span> <span class="screen-reader-text"><?php _e( 'Edit date and time' ); ?></span></a>
+		<?php printf( $stamp, '<b>' . $date . '</b>' ); ?>
+	</span>
+	<a href="#edit_timestamp" class="edit-timestamp hide-if-no-js" role="button">
+		<span aria-hidden="true"><?php _e( 'Edit' ); ?></span>
+		<span class="screen-reader-text"><?php _e( 'Edit date and time' ); ?></span>
+	</a>
 	<fieldset id="timestampdiv" class="hide-if-js">
-	<legend class="screen-reader-text"><?php _e( 'Date and time' ); ?></legend>
+		<legend class="screen-reader-text"><?php _e( 'Date and time' ); ?></legend>
 		<?php touch_time( ( $action === 'edit' ), 1 ); ?>
 	</fieldset>
 </div><?php // /misc-pub-section ?>
diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index fb86ebccf9..a77e700df3 100644
--- a/wp-admin/includes/template.php
+++ b/wp-admin/includes/template.php
@@ -824,7 +824,7 @@ function touch_time( $edit = 1, $for_post = 1, $tab_index = 0, $multi = 0 ) {
 
 	echo '<div class="timestamp-wrap">';
 	/* translators: 1: Month, 2: Day, 3: Year, 4: Hour, 5: Minute. */
-	printf( __( '%1$s %2$s, %3$s @ %4$s:%5$s' ), $month, $day, $year, $hour, $minute );
+	printf( __( '%1$s %2$s, %3$s at %4$s:%5$s' ), $month, $day, $year, $hour, $minute );
 
 	echo '</div><input type="hidden" id="ss" name="ss" value="' . $ss . '" />';
 
diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 74e3585f4d..69aa8a980f 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -1583,7 +1583,7 @@ function wp_default_scripts( &$scripts ) {
 				'publishOnFuture'    => __( 'Schedule for:' ),
 				'publishOnPast'      => __( 'Published on:' ),
 				/* translators: 1: Month, 2: Day, 3: Year, 4: Hour, 5: Minute. */
-				'dateFormat'         => __( '%1$s %2$s, %3$s @ %4$s:%5$s' ),
+				'dateFormat'         => __( '%1$s %2$s, %3$s at %4$s:%5$s' ),
 				'showcomm'           => __( 'Show more comments' ),
 				'endcomm'            => __( 'No more comments found.' ),
 				'publish'            => __( 'Publish' ),
diff --git a/wp-includes/version.php b/wp-includes/version.php
index dfbf44ffbc..34254533d6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-alpha-46082';
+$wp_version = '5.3-alpha-46083';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.