diff --git a/frontend-internal/src/routes/audit/+page.svelte b/frontend-internal/src/routes/audit/+page.svelte
index 567b806..6760c52 100644
--- a/frontend-internal/src/routes/audit/+page.svelte
+++ b/frontend-internal/src/routes/audit/+page.svelte
@@ -52,6 +52,8 @@
     switch (periodFilter) {
       case 'today':
         from = new Date(today);
+        to = new Date();
+        to.setHours(23, 59, 59, 999);
         break;
       case 'yesterday':
         from = new Date(today);
@@ -62,23 +64,35 @@
       case 'last7days':
         from = new Date(today);
         from.setDate(from.getDate() - 7);
+        to = new Date();
+        to.setHours(23, 59, 59, 999);
         break;
       case 'last30days':
         from = new Date(today);
         from.setDate(from.getDate() - 30);
+        to = new Date();
+        to.setHours(23, 59, 59, 999);
         break;
       case 'custom':
+        // Para fechas custom, parsear las fechas string y agregar hora
+        if (!customDateFrom || !customDateTo) {
+          return { from: '', to: '' };
+        }
+        const fromDate = new Date(customDateFrom);
+        fromDate.setHours(0, 0, 0, 0);
+        const toDate = new Date(customDateTo);
+        toDate.setHours(23, 59, 59, 999);
         return {
-          from: customDateFrom,
-          to: customDateTo
+          from: fromDate.toISOString(),
+          to: toDate.toISOString()
         };
       default:
         from = new Date(today);
     }
     
     return {
-      from: from.toISOString().split('T')[0],
-      to: to.toISOString().split('T')[0]
+      from: from.toISOString(),
+      to: to.toISOString()
     };
   }