diff --git a/includes/admin/reports/class-wc-admin-report.php b/includes/admin/reports/class-wc-admin-report.php
index 1df22360e58..4b38a333dda 100644
--- a/includes/admin/reports/class-wc-admin-report.php
+++ b/includes/admin/reports/class-wc-admin-report.php
@@ -558,7 +558,7 @@ class WC_Admin_Report {
 			break;
 
 			case '7day' :
-				$this->start_date    = strtotime( '-6 days', current_time( 'timestamp' ) );
+				$this->start_date    = strtotime( '-6 days', strtotime( 'midnight', current_time( 'timestamp' ) ) );
 				$this->end_date      = strtotime( 'midnight', current_time( 'timestamp' ) );
 				$this->chart_groupby = 'day';
 			break;