diff --git a/lib/NGCP/Panel/Utils/Invoice.pm b/lib/NGCP/Panel/Utils/Invoice.pm
index 55eb897c58..ef6d047864 100644
--- a/lib/NGCP/Panel/Utils/Invoice.pm
+++ b/lib/NGCP/Panel/Utils/Invoice.pm
@@ -73,8 +73,8 @@ sub create_invoice {
         contract => $contract,
         stime => $stime,
         etime => $etime,);
-    $stime = $balance->start;
-    $etime = $balance->end;
+    $stime = NGCP::Panel::Utils::DateTime::convert_tz($balance->start,undef,'UTC',$c);
+    $etime = NGCP::Panel::Utils::DateTime::convert_tz($balance->end,undef,'UTC',$c);
     my $bm_actual = NGCP::Panel::Utils::BillingMappings::get_actual_billing_mapping(
         c => $c,
         contract => $contract,