diff --git a/src/utils/time.ts b/src/utils/time.ts
index 43210e1..554c866 100644
--- a/src/utils/time.ts
+++ b/src/utils/time.ts
@@ -245,7 +245,7 @@ export class TimeUtils {
     
     while (count < days) {
       result = this.addDays(result, 1);
-      if (this.isMarketOpen(result)) {
+      if (this.isTradingDay(result)) {
         count++;
       }
     }