diff --git a/admin/post-types/shop_order.php b/admin/post-types/shop_order.php
index af7d0789d2a..85ca1f02fc5 100644
--- a/admin/post-types/shop_order.php
+++ b/admin/post-types/shop_order.php
@@ -132,7 +132,7 @@ function woocommerce_custom_order_columns( $column ) {
 			} else {
 				$t_time = get_the_time( __( 'Y/m/d g:i:s A', 'woocommerce' ), $post );
 
-				$gmt_time = strtotime( $post->post_date_gmt );
+				$gmt_time = strtotime( $post->post_date_gmt . ' UTC' );
 				$time_diff = current_time('timestamp', 1) - $gmt_time;
 
 				if ( $time_diff > 0 && $time_diff < 24*60*60 )
@@ -561,4 +561,4 @@ function woocommerce_delete_order_items( $postid )
 	}
 }
 
-add_action( 'before_delete_post', 'woocommerce_delete_order_items' );
\ No newline at end of file
+add_action( 'before_delete_post', 'woocommerce_delete_order_items' );