diff --git a/cmd/server/tests/analytics_test.go b/cmd/server/tests/analytics_test.go
index bbce565..07f977e 100644
--- a/cmd/server/tests/analytics_test.go
+++ b/cmd/server/tests/analytics_test.go
@@ -51,8 +51,8 @@ func TestAnalyticsReadingStats(t *testing.T) {
 	})
 
 	t.Run("GetReadingStats_WithCustomDateRange", func(t *testing.T) {
-		startDate := time.Now().AddDate(0, -2, 0).Format("2006-01-02")
-		endDate := time.Now().Format("2006-01-02")
+		startDate := time.Now().AddDate(0, -2, 0).Format("01-02-2006")
+		endDate := time.Now().Format("01-02-2006")
 
 		req, _ := http.NewRequest("GET", setup.Server.URL+"/api/analytics/reading-stats?start_date="+startDate+"&end_date="+endDate, nil)
 		req.Header.Set("Authorization", "Bearer "+setup.Token)
@@ -378,8 +378,8 @@ func TestAnalyticsEdgeCases(t *testing.T) {
 	client := &http.Client{}
 
 	t.Run("ReadingStats_FutureDateRange", func(t *testing.T) {
-		startDate := time.Now().AddDate(0, 0, 7).Format("2006-01-02")
-		endDate := time.Now().AddDate(0, 0, 14).Format("2006-01-02")
+		startDate := time.Now().AddDate(0, 0, 7).Format("01-02-2006")
+		endDate := time.Now().AddDate(0, 0, 14).Format("01-02-2006")
 
 		req, _ := http.NewRequest("GET", setup.Server.URL+"/api/analytics/reading-stats?start_date="+startDate+"&end_date="+endDate, nil)
 		req.Header.Set("Authorization", "Bearer "+setup.Token)