diff --git a/date_utils/date_utils.go b/date_utils/date_utils.go
index 1e66fe92e8b7b4b94c7fba6893c4ed0b973645e8..2296833192c77118021875b9bcc094b7f52dc3d0 100644
--- a/date_utils/date_utils.go
+++ b/date_utils/date_utils.go
@@ -346,7 +346,7 @@ func (t TradingHours) String() string {
 	for i := 1; i < len(weekdays); i++ {
 		currentDay := weekdays[i]
 		nextDay := currentDay
-		if i+1 < len(weekdays)-1 {
+		if i+1 < len(weekdays) {
 			nextDay = weekdays[i+1]
 		}