diff --git a/ui/litellm-dashboard/src/components/cache_dashboard.tsx b/ui/litellm-dashboard/src/components/cache_dashboard.tsx
index 37875cb7f9b..2bb6b28af04 100644
--- a/ui/litellm-dashboard/src/components/cache_dashboard.tsx
+++ b/ui/litellm-dashboard/src/components/cache_dashboard.tsx
@@ -161,16 +161,20 @@ const CacheDashboard: React.FC<CachePageProps> = ({
       return;
     }
 
+    // Create new Date objects to avoid mutating the original dates
+    const adjustedStartTime = new Date(startTime);
+    const adjustedEndTime = new Date(endTime);
+
     // the endTime put it to the last hour of the selected date
-    endTime.setHours(23, 59, 59, 999);
+    adjustedEndTime.setHours(23, 59, 59, 999);
 
     // startTime put it to the first hour of the selected date
-    startTime.setHours(0, 0, 0, 0);
+    adjustedStartTime.setHours(0, 0, 0, 0);
 
     let new_cache_data = await adminGlobalCacheActivity(
       accessToken,
-      formatDateWithoutTZ(startTime),
-      formatDateWithoutTZ(endTime)
+      formatDateWithoutTZ(adjustedStartTime),
+      formatDateWithoutTZ(adjustedEndTime)
     )
 
     setData(new_cache_data);
diff --git a/ui/litellm-dashboard/src/components/model_dashboard.tsx b/ui/litellm-dashboard/src/components/model_dashboard.tsx
index 61f9353bb0b..c40092c3f47 100644
--- a/ui/litellm-dashboard/src/components/model_dashboard.tsx
+++ b/ui/litellm-dashboard/src/components/model_dashboard.tsx
@@ -306,14 +306,18 @@ const ModelDashboard: React.FC<ModelDashboardProps> = ({
       selected_customer = null;
     }
 
-    // make startTime and endTime to last hour of the day
-    startTime.setHours(0);
-    startTime.setMinutes(0);
-    startTime.setSeconds(0);
+    // Create new Date objects to avoid mutating the original dates
+    const adjustedStartTime = new Date(startTime);
+    const adjustedEndTime = new Date(endTime);
 
-    endTime.setHours(23);
-    endTime.setMinutes(59);
-    endTime.setSeconds(59);
+    // make startTime and endTime to last hour of the day
+    adjustedStartTime.setHours(0);
+    adjustedStartTime.setMinutes(0);
+    adjustedStartTime.setSeconds(0);
+
+    adjustedEndTime.setHours(23);
+    adjustedEndTime.setMinutes(59);
+    adjustedEndTime.setSeconds(59);
 
     try {
       const modelMetricsResponse = await modelMetricsCall(
@@ -321,8 +325,8 @@ const ModelDashboard: React.FC<ModelDashboardProps> = ({
         userID,
         userRole,
         modelGroup,
-        startTime.toISOString(),
-        endTime.toISOString(),
+        adjustedStartTime.toISOString(),
+        adjustedEndTime.toISOString(),
         selected_token,
         selected_customer
       );
@@ -335,8 +339,8 @@ const ModelDashboard: React.FC<ModelDashboardProps> = ({
       const streamingModelMetricsResponse = await streamingModelMetricsCall(
         accessToken,
         modelGroup,
-        startTime.toISOString(),
-        endTime.toISOString()
+        adjustedStartTime.toISOString(),
+        adjustedEndTime.toISOString()
       );
 
       // Assuming modelMetricsResponse now contains the metric data for the specified model group
@@ -350,8 +354,8 @@ const ModelDashboard: React.FC<ModelDashboardProps> = ({
         userID,
         userRole,
         modelGroup,
-        startTime.toISOString(),
-        endTime.toISOString(),
+        adjustedStartTime.toISOString(),
+        adjustedEndTime.toISOString(),
         selected_token,
         selected_customer
       );
@@ -364,8 +368,8 @@ const ModelDashboard: React.FC<ModelDashboardProps> = ({
         userID,
         userRole,
         modelGroup,
-        startTime.toISOString(),
-        endTime.toISOString(),
+        adjustedStartTime.toISOString(),
+        adjustedEndTime.toISOString(),
         selected_token,
         selected_customer
       );
@@ -378,8 +382,8 @@ const ModelDashboard: React.FC<ModelDashboardProps> = ({
       if (modelGroup) {
         const dailyExceptions = await adminGlobalActivityExceptions(
           accessToken,
-          startTime?.toISOString().split('T')[0],
-          endTime?.toISOString().split('T')[0],
+          adjustedStartTime?.toISOString().split('T')[0],
+          adjustedEndTime?.toISOString().split('T')[0],
           modelGroup,
         );
 
@@ -387,8 +391,8 @@ const ModelDashboard: React.FC<ModelDashboardProps> = ({
 
         const dailyExceptionsPerDeplyment = await adminGlobalActivityExceptionsPerDeployment(
           accessToken,
-          startTime?.toISOString().split('T')[0],
-          endTime?.toISOString().split('T')[0],
+          adjustedStartTime?.toISOString().split('T')[0],
+          adjustedEndTime?.toISOString().split('T')[0],
           modelGroup,
         )
 
diff --git a/ui/litellm-dashboard/src/components/usage.tsx b/ui/litellm-dashboard/src/components/usage.tsx
index 6779ba7f94f..d1c0ecb87e4 100644
--- a/ui/litellm-dashboard/src/components/usage.tsx
+++ b/ui/litellm-dashboard/src/components/usage.tsx
@@ -213,19 +213,23 @@ const UsagePage: React.FC<UsagePageProps> = ({
       return;
     }
 
+    // Create new Date objects to avoid mutating the original dates
+    const adjustedStartTime = new Date(startTime);
+    const adjustedEndTime = new Date(endTime);
+
     // the endTime put it to the last hour of the selected date
-    endTime.setHours(23, 59, 59, 999);
+    adjustedEndTime.setHours(23, 59, 59, 999);
 
     // startTime put it to the first hour of the selected date
-    startTime.setHours(0, 0, 0, 0);
+    adjustedStartTime.setHours(0, 0, 0, 0);
 
     console.log("uiSelectedKey", uiSelectedKey);
 
     let newTopUserData = await adminTopEndUsersCall(
       accessToken,
       uiSelectedKey,
-      startTime.toISOString(),
-      endTime.toISOString()
+      adjustedStartTime.toISOString(),
+      adjustedEndTime.toISOString()
     )
     console.log("End user data updated successfully", newTopUserData);
     setTopUsers(newTopUserData);
@@ -245,16 +249,20 @@ const UsagePage: React.FC<UsagePageProps> = ({
       return;  // Don't run expensive DB queries - return out when SpendLogs has more than 1M rows
     }
 
+    // Create new Date objects to avoid mutating the original dates
+    const adjustedStartTime = new Date(startTime);
+    const adjustedEndTime = new Date(endTime);
+
     // the endTime put it to the last hour of the selected date
-    endTime.setHours(23, 59, 59, 999);
+    adjustedEndTime.setHours(23, 59, 59, 999);
 
     // startTime put it to the first hour of the selected date
-    startTime.setHours(0, 0, 0, 0);
+    adjustedStartTime.setHours(0, 0, 0, 0);
 
     let top_tags = await tagsSpendLogsCall(
       accessToken, 
-      startTime.toISOString(), 
-      endTime.toISOString(),
+      adjustedStartTime.toISOString(), 
+      adjustedEndTime.toISOString(),
       selectedTags.length === 0 ? undefined : selectedTags
     );
     setTopTagsData(top_tags.spend_per_tag);