diff --git a/pkg/bbgo/environment.go b/pkg/bbgo/environment.go
index aca20eefb..e60544c7c 100644
--- a/pkg/bbgo/environment.go
+++ b/pkg/bbgo/environment.go
@@ -106,7 +106,7 @@ func NewEnvironment() *Environment {
 		// default trade scan time
 		syncStartTime: time.Now().AddDate(-1, 0, 0), // defaults to sync from 1 year ago
 		sessions:      make(map[string]*ExchangeSession),
-		startTime:     time.Now(),
+		startTime:     time.Now().UTC(),
 
 		syncStatus: SyncNotStarted,
 		PersistenceServiceFacade: &service.PersistenceServiceFacade{
diff --git a/pkg/exchange/batch/kline.go b/pkg/exchange/batch/kline.go
index 30ef7b767..b680c8143 100644
--- a/pkg/exchange/batch/kline.go
+++ b/pkg/exchange/batch/kline.go
@@ -24,7 +24,7 @@ func (e *KLineBatchQuery) Query(ctx context.Context, symbol string, interval typ
 			})
 		},
 		T: func(obj interface{}) time.Time {
-			return time.Time(obj.(types.KLine).StartTime)
+			return time.Time(obj.(types.KLine).StartTime).UTC()
 		},
 		ID: func(obj interface{}) string {
 			kline := obj.(types.KLine)