diff --git a/wp-includes/customize/class-wp-customize-date-time-control.php b/wp-includes/customize/class-wp-customize-date-time-control.php
index 55bf64dbe2..a055b4eeb4 100644
--- a/wp-includes/customize/class-wp-customize-date-time-control.php
+++ b/wp-includes/customize/class-wp-customize-date-time-control.php
@@ -234,7 +234,7 @@ class WP_Customize_Date_Time_Control extends WP_Customize_Control {
 
 			if ( $tz ) {
 				$now                   = new DateTime( 'now', $tz );
-				$formatted_gmt_offset  = $this->format_gmt_offset( $tz->getOffset( $now ) / 3600 );
+				$formatted_gmt_offset  = $this->format_gmt_offset( $tz->getOffset( $now ) / HOUR_IN_SECONDS );
 				$tz_name               = str_replace( '_', ' ', $tz->getName() );
 				$timezone_info['abbr'] = $now->format( 'T' );
 
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
index 94e067dfb3..3ec9a3a134 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
@@ -1797,7 +1797,7 @@ class WP_REST_Posts_Controller extends WP_REST_Controller {
 			 * with the site's timezone offset applied.
 			 */
 			if ( '0000-00-00 00:00:00' === $post->post_modified_gmt ) {
-				$post_modified_gmt = gmdate( 'Y-m-d H:i:s', strtotime( $post->post_modified ) - ( get_option( 'gmt_offset' ) * 3600 ) );
+				$post_modified_gmt = gmdate( 'Y-m-d H:i:s', strtotime( $post->post_modified ) - ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) );
 			} else {
 				$post_modified_gmt = $post->post_modified_gmt;
 			}
diff --git a/wp-includes/revision.php b/wp-includes/revision.php
index 0f76f908f1..9d3ca6f424 100644
--- a/wp-includes/revision.php
+++ b/wp-includes/revision.php
@@ -859,7 +859,7 @@ function _wp_upgrade_revisions_of_post( $post, $revisions ) {
 			return false;
 		}
 
-		if ( $locked > $now - 3600 ) {
+		if ( $locked > $now - HOUR_IN_SECONDS ) {
 			// Lock is not too old: some other process may be upgrading this post. Bail.
 			return false;
 		}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b9afbaded9..47a8b5152d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.2-alpha-54869';
+$wp_version = '6.2-alpha-54870';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.