Reporting and TZ updates

web/journal.html

@@ -409,10 +409,10 @@
         function setDefaultDates() {
             const today = new Date();
             const thirtyDaysAgo = new Date(today);
-            thirtyDaysAgo.setDate(thirtyDaysAgo.getDate() - 30);
+            thirtyDaysAgo.setUTCDate(thirtyDaysAgo.getUTCDate() - 30);
 
-            document.getElementById('dateFrom').valueAsDate = thirtyDaysAgo;
-            document.getElementById('dateTo').valueAsDate = today;
+            document.getElementById('dateFrom').value = thirtyDaysAgo.toISOString().split('T')[0];
+            document.getElementById('dateTo').value = today.toISOString().split('T')[0];
         }
 
         async function loadJournalEntries() {
@@ -712,23 +712,13 @@
         }
 
         function formatDateTime(dateString) {
-            const date = new Date(dateString);
-            return date.toLocaleString('en-US', {
-                year: 'numeric',
-                month: '2-digit',
-                day: '2-digit',
-                hour: '2-digit',
-                minute: '2-digit',
-                second: '2-digit'
-            });
+            const normalized = dateString.includes('T') ? dateString : dateString.replace(' ', 'T');
+            const date = new Date(/[zZ]|[+-]\d{2}:?\d{2}$/.test(normalized) ? normalized : `${normalized}Z`);
+            return date.toISOString().slice(0, 19).replace('T', ' ');
         }
 
         function formatDate(date) {
-            return date.toLocaleDateString('en-US', {
-                year: 'numeric',
-                month: 'short',
-                day: '2-digit'
-            });
+            return date.toISOString().slice(0, 10);
         }
 
         function escapeHtml(text) {