diff --git a/app.jsx b/app.jsx
index 531c407..5ea70ab 100644
--- a/app.jsx
+++ b/app.jsx
@@ -103,7 +103,8 @@ function App() {
 
   React.useEffect(() => {
     window.dbUsers = dbUsers;
-  }, [dbUsers]);
+    window.workspace = workspace;
+  }, [dbUsers, workspace]);
 
   React.useEffect(() => {
     const handleKeyDown = (e) => {
@@ -172,15 +173,10 @@ function App() {
 
   const addTask = async ({ title, description, assignee, priority }) => {
     try {
-      const t = await api.createTask({
+      await api.createTask({
         title, description, assignee_id: assignee, priority,
         added_by: meId, source: 'manual', status: 'open', tags: []
       });
-      await api.addAudit({
-        actor: meId, action: 'task_created',
-        summary: 'Created task "' + title + '" for ' + (merge(assignee)||{}).name,
-        target: t.id
-      });
       setAdding(null);
     } catch(e) {
       console.error(e);
diff --git a/backend/main.py b/backend/main.py
index 57838e6..4602a79 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -201,6 +201,24 @@ async def create_task(task: schemas.TaskCreate, db: Session = Depends(get_db), c
     
     db.commit()
     db.refresh(db_task)
+
+    # Create audit log entry
+    assignee_name = "Unassigned"
+    if db_task.assignee_id:
+        assignee = db.query(models.User).filter(models.User.id == db_task.assignee_id).first()
+        if assignee:
+            assignee_name = assignee.name
+
+    db_audit = models.AuditLog(
+        id=f"al_{uuid.uuid4().hex[:8]}",
+        actor=current_user.id,
+        action='task_created',
+        summary=f'Created task "{db_task.title}" for {assignee_name}',
+        target=db_task.id
+    )
+    db.add(db_audit)
+    db.commit()
+
     await manager.broadcast(json.dumps({"type": "refresh"}))
     return db_task
 
diff --git a/components.jsx b/components.jsx
index 83eb74a..c7a2b0a 100644
--- a/components.jsx
+++ b/components.jsx
@@ -74,21 +74,36 @@ function SourceTag({ source }) {
   );
 }
 
+function getSafeTimezone() {
+  const tz = window.workspace ? window.workspace.timezone : undefined;
+  if (!tz) return undefined;
+  try {
+    Intl.DateTimeFormat(undefined, { timeZone: tz });
+    return tz;
+  } catch (e) {
+    return undefined; // Fallback to browser time if invalid
+  }
+}
+
 function relTime(iso) {
-  const now = new Date('2026-05-08T10:30:00');
+  if (typeof iso === 'string' && !iso.endsWith('Z') && !iso.includes('+')) iso += 'Z';
+  const now = new Date();
   const then = new Date(iso);
   const diff = (now - then) / 1000;
   if (diff < 60) return 'just now';
   if (diff < 3600) return Math.floor(diff/60) + 'm ago';
   if (diff < 86400) return Math.floor(diff/3600) + 'h ago';
   if (diff < 86400*7) return Math.floor(diff/86400) + 'd ago';
-  return then.toLocaleDateString('en-US', { month: 'short', day: 'numeric' });
+  
+  return then.toLocaleDateString('en-US', { month: 'short', day: 'numeric', timeZone: getSafeTimezone() });
 }
 
 function fmtDateTime(iso) {
+  if (typeof iso === 'string' && !iso.endsWith('Z') && !iso.includes('+')) iso += 'Z';
   const d = new Date(iso);
-  return d.toLocaleDateString('en-US', { month: 'short', day: 'numeric' }) +
-         ' · ' + d.toLocaleTimeString('en-US', { hour: 'numeric', minute: '2-digit' });
+  const tz = getSafeTimezone();
+  return d.toLocaleDateString('en-US', { month: 'short', day: 'numeric', timeZone: tz }) +
+         ' · ' + d.toLocaleTimeString('en-US', { hour: 'numeric', minute: '2-digit', timeZone: tz });
 }
 
 function findUser(id) { 
diff --git a/dashy.db b/dashy.db
index f84c9e8..d95039b 100644
Binary files a/dashy.db and b/dashy.db differ
diff --git a/screens.jsx b/screens.jsx
index 86f17a0..c827cb9 100644
--- a/screens.jsx
+++ b/screens.jsx
@@ -917,7 +917,13 @@ function AuditScreen({ entries, onOpen }) {
                 const actor = r.actor === 'system' ? null : findUser(r.actor);
                 return (
                   <li key={r.id} className="audit__row">
-                    <span className="audit__time mono">{new Date(r.at).toLocaleTimeString('en-US',{hour:'numeric', minute:'2-digit'})}</span>
+                    <span className="audit__time mono">{(() => {
+  let safeTz = undefined;
+  if (window.workspace && window.workspace.timezone) {
+    try { Intl.DateTimeFormat(undefined, { timeZone: window.workspace.timezone }); safeTz = window.workspace.timezone; } catch(e) {}
+  }
+  return new Date(typeof r.at === 'string' && !r.at.endsWith('Z') && !r.at.includes('+') ? r.at + 'Z' : r.at).toLocaleTimeString('en-US',{hour:'numeric', minute:'2-digit', timeZone: safeTz});
+})()}</span>
                     <span className="audit__actor">
                       {actor ? <Avatar user={actor} size={20} /> : <span className="audit__sys">SYS</span>}
                       <span>{actor ? actor.name : 'System'}</span>
@@ -1189,6 +1195,7 @@ function WorkspaceTab({ user, isAdmin, dbUsers = [], onSwitchUser, onCreateUser,
   const [wsName, setWsName] = React.useState(workspace ? workspace.name : '');
   const [wsTz, setWsTz] = React.useState(workspace ? workspace.timezone : '');
   const [wsSaved, setWsSaved] = React.useState(false);
+  const [wsError, setWsError] = React.useState('');
 
   // User editing state
   const [editingUserId, setEditingUserId] = React.useState(null);
@@ -1234,6 +1241,16 @@ function WorkspaceTab({ user, isAdmin, dbUsers = [], onSwitchUser, onCreateUser,
   };
 
   const handleUpdateWorkspace = async () => {
+    setWsError(''); // Clear previous errors
+    if (wsTz) {
+      try {
+        Intl.DateTimeFormat(undefined, { timeZone: wsTz });
+      } catch (e) {
+        setWsError('Not a proper timezone (e.g., Asia/Tokyo)');
+        return; // Stop the save process
+      }
+    }
+    
     await onUpdateWorkspace({ name: wsName, timezone: wsTz });
     setWsSaved(true);
     setTimeout(() => setWsSaved(false), 2000);
@@ -1378,12 +1395,13 @@ function WorkspaceTab({ user, isAdmin, dbUsers = [], onSwitchUser, onCreateUser,
         <label className="field">
           <span className="field__label">Timezone</span>
           <input className="field__input" value={wsTz} onChange={e => setWsTz(e.target.value)} disabled={!isAdmin} />
+          {wsError && <div className="field__error" style={{ color: 'var(--red)', marginTop: '4px', fontSize: '13px' }}>{wsError}</div>}
         </label>
       </div>
       {isAdmin && (
         <div className="settings__save-row" style={{ marginTop: '1rem' }}>
           {wsSaved && <span className="settings__saved mono"><Icon.Check /> Saved</span>}
-          <button className="btn btn--ghost" onClick={() => { setWsName(workspace.name); setWsTz(workspace.timezone); }} disabled={!wsDirty}>Discard</button>
+          <button className="btn btn--ghost" onClick={() => { setWsName(workspace.name); setWsTz(workspace.timezone); setWsError(''); }} disabled={!wsDirty}>Discard</button>
           <button className="btn btn--primary" onClick={handleUpdateWorkspace} disabled={!wsDirty}>Update workspace</button>
         </div>
       )}