diff --git a/service/data-hub/data-connector/src/modules/feat-anomalies/anomaly-detectors/anomaly-detector.service.ts b/service/data-hub/data-connector/src/modules/feat-anomalies/anomaly-detectors/anomaly-detector.service.ts
index 2aeb1a3..065c4ef 100644
--- a/service/data-hub/data-connector/src/modules/feat-anomalies/anomaly-detectors/anomaly-detector.service.ts
+++ b/service/data-hub/data-connector/src/modules/feat-anomalies/anomaly-detectors/anomaly-detector.service.ts
@@ -68,7 +68,7 @@ export class AnomalyDetectorService {
     day: Date,
   ): Promise<WorkTime | undefined> {
     let startOfGivenDay: Date;
-    if (day.getHours() >= 0 && day.getHours() < 3) {
+    if (day.getHours() >= 0 && day.getHours() < 2) {
       startOfGivenDay = addDays(day, -1);
     } else {
       startOfGivenDay = startOfDay(day);