diff --git a/src/wp-admin/update-core.php b/src/wp-admin/update-core.php
index 4aaa0bf725..ea9df4eeba 100644
--- a/src/wp-admin/update-core.php
+++ b/src/wp-admin/update-core.php
@@ -1046,7 +1046,7 @@ if ( 'upgrade-core' === $action ) {
 
 	echo '<p class="update-last-checked">';
 	/* translators: 1: Date, 2: Time. */
-	printf( __( 'Last checked on %1$s at %2$s.' ), date_i18n( __( 'F j, Y' ), $last_update_check ), date_i18n( __( 'g:i a' ), $last_update_check ) );
+	printf( __( 'Last checked on %1$s at %2$s.' ), date_i18n( __( 'F j, Y' ), $last_update_check ), date_i18n( __( 'g:i a T' ), $last_update_check ) );
 	echo ' <a href="' . esc_url( self_admin_url( 'update-core.php?force-check=1' ) ) . '">' . __( 'Check again.' ) . '</a>';
 	echo '</p>';