diff --git a/src/app/(main)/websites/[websiteId]/realtime/RealtimeLog.tsx b/src/app/(main)/websites/[websiteId]/realtime/RealtimeLog.tsx
index 21da2c54..bb0225cc 100644
--- a/src/app/(main)/websites/[websiteId]/realtime/RealtimeLog.tsx
+++ b/src/app/(main)/websites/[websiteId]/realtime/RealtimeLog.tsx
@@ -52,7 +52,7 @@ export function RealtimeLog({ data }: { data: RealtimeData }) {
     },
   ];
 
-  const getTime = ({ createdAt, firstAt }) => formatTimezoneDate(firstAt || createdAt, 'h:mm:ss');
+  const getTime = ({ createdAt, firstAt }) => formatTimezoneDate(firstAt || createdAt, 'pp');
 
   const getColor = ({ id, sessionId }) => stringToColor(sessionId || id);
 
diff --git a/src/app/(main)/websites/[websiteId]/sessions/SessionsWeekly.tsx b/src/app/(main)/websites/[websiteId]/sessions/SessionsWeekly.tsx
index 6082f0e2..6663a563 100644
--- a/src/app/(main)/websites/[websiteId]/sessions/SessionsWeekly.tsx
+++ b/src/app/(main)/websites/[websiteId]/sessions/SessionsWeekly.tsx
@@ -10,6 +10,10 @@ export function SessionsWeekly({ websiteId }: { websiteId: string }) {
   const { data, ...props } = useWebsiteSessionsWeekly(websiteId);
   const { dateLocale } = useLocale();
   const { labels, formatMessage } = useMessages();
+  const { weekStartsOn } = dateLocale.options;
+  const daysOfWeek = Array(7)
+    .fill(weekStartsOn)
+    .map((d, i) => (d + i) % 7);
 
   const [, max] = data
     ? data.reduce((arr: number[], hours: number[], index: number) => {
@@ -40,7 +44,9 @@ export function SessionsWeekly({ websiteId }: { websiteId: string }) {
           {Array(24)
             .fill(null)
             .map((_, i) => {
-              const label = format(addHours(startOfDay(new Date()), i), 'haaa');
+              const label = format(addHours(startOfDay(new Date()), i), 'p', { locale: dateLocale })
+                .replace(/\D00 ?/, '')
+                .toLowerCase();
               return (
                 <div key={i} className={styles.hour}>
                   {label}
@@ -48,33 +54,35 @@ export function SessionsWeekly({ websiteId }: { websiteId: string }) {
               );
             })}
         </div>
-        {data?.map((day: number[], index: number) => {
-          return (
-            <div key={index} className={styles.day}>
-              <div className={styles.header}>
-                {format(getDayOfWeekAsDate(index), 'EEE', { locale: dateLocale })}
+        {data &&
+          daysOfWeek.map((index: number) => {
+            const day = data[index];
+            return (
+              <div key={index} className={styles.day}>
+                <div className={styles.header}>
+                  {format(getDayOfWeekAsDate(index), 'EEE', { locale: dateLocale })}
+                </div>
+                {day?.map((hour: number) => {
+                  const pct = hour / max;
+                  return (
+                    <div key={hour} className={classNames(styles.cell)}>
+                      {hour > 0 && (
+                        <TooltipPopup
+                          label={`${formatMessage(labels.visitors)}: ${hour}`}
+                          position="right"
+                        >
+                          <div
+                            className={styles.block}
+                            style={{ opacity: pct, transform: `scale(${pct})` }}
+                          />
+                        </TooltipPopup>
+                      )}
+                    </div>
+                  );
+                })}
               </div>
-              {day?.map((hour: number, n) => {
-                const pct = hour / max;
-                return (
-                  <div key={n} className={classNames(styles.cell)}>
-                    {hour > 0 && (
-                      <TooltipPopup
-                        label={`${formatMessage(labels.visitors)}: ${hour}`}
-                        position="right"
-                      >
-                        <div
-                          className={styles.block}
-                          style={{ opacity: pct, transform: `scale(${pct})` }}
-                        />
-                      </TooltipPopup>
-                    )}
-                  </div>
-                );
-              })}
-            </div>
-          );
-        })}
+            );
+          })}
       </div>
     </LoadingPanel>
   );
diff --git a/src/app/(main)/websites/[websiteId]/sessions/[sessionId]/SessionActivity.tsx b/src/app/(main)/websites/[websiteId]/sessions/[sessionId]/SessionActivity.tsx
index 0a020d5c..a59d3a92 100644
--- a/src/app/(main)/websites/[websiteId]/sessions/[sessionId]/SessionActivity.tsx
+++ b/src/app/(main)/websites/[websiteId]/sessions/[sessionId]/SessionActivity.tsx
@@ -34,7 +34,7 @@ export function SessionActivity({
         return (
           <Fragment key={eventId}>
             {showHeader && (
-              <div className={styles.header}>{formatTimezoneDate(createdAt, 'EEEE, PPP')}</div>
+              <div className={styles.header}>{formatTimezoneDate(createdAt, 'PPPP')}</div>
             )}
             <div key={eventId} className={styles.row}>
               <div className={styles.time}>
diff --git a/src/app/(main)/websites/[websiteId]/sessions/[sessionId]/SessionInfo.tsx b/src/app/(main)/websites/[websiteId]/sessions/[sessionId]/SessionInfo.tsx
index 889eb972..3ce78d48 100644
--- a/src/app/(main)/websites/[websiteId]/sessions/[sessionId]/SessionInfo.tsx
+++ b/src/app/(main)/websites/[websiteId]/sessions/[sessionId]/SessionInfo.tsx
@@ -20,10 +20,10 @@ export default function SessionInfo({ data }) {
         </dd>
 
         <dt>{formatMessage(labels.lastSeen)}</dt>
-        <dd>{formatTimezoneDate(data?.lastAt, 'EEEE, PPPpp')}</dd>
+        <dd>{formatTimezoneDate(data?.lastAt, 'PPPPpp')}</dd>
 
         <dt>{formatMessage(labels.firstSeen)}</dt>
-        <dd>{formatTimezoneDate(data?.firstAt, 'EEEE, PPPpp')}</dd>
+        <dd>{formatTimezoneDate(data?.firstAt, 'PPPPpp')}</dd>
 
         <dt>{formatMessage(labels.country)}</dt>
         <dd>
diff --git a/src/app/api/teams/[teamId]/users/route.ts b/src/app/api/teams/[teamId]/users/route.ts
index 19cd6153..57460b89 100644
--- a/src/app/api/teams/[teamId]/users/route.ts
+++ b/src/app/api/teams/[teamId]/users/route.ts
@@ -45,12 +45,9 @@ export async function GET(request: Request, { params }: { params: Promise<{ team
   return json(users);
 }
 
-export async function POST(
-  request: Request,
-  { params }: { params: Promise<{ teamId: string; userId: string }> },
-) {
+export async function POST(request: Request, { params }: { params: Promise<{ teamId: string }> }) {
   const schema = z.object({
-    userId: z.string(),
+    userId: z.string().uuid(),
     role: roleParam,
   });
 
diff --git a/src/components/hooks/useApi.ts b/src/components/hooks/useApi.ts
index d8a05d92..dfa48e2f 100644
--- a/src/components/hooks/useApi.ts
+++ b/src/components/hooks/useApi.ts
@@ -9,7 +9,7 @@ const selector = (state: { shareToken: { token?: string } }) => state.shareToken
 
 async function handleResponse(res: FetchResponse): Promise<any> {
   if (!res.ok) {
-    return Promise.reject(new Error(res.error));
+    return Promise.reject(new Error(res.error?.error || res.error || 'Unexpectd error.'));
   }
   return Promise.resolve(res.data);
 }
diff --git a/src/components/hooks/useTimezone.ts b/src/components/hooks/useTimezone.ts
index 5f01c2ab..99c1f115 100644
--- a/src/components/hooks/useTimezone.ts
+++ b/src/components/hooks/useTimezone.ts
@@ -2,11 +2,13 @@ import { setItem } from '@/lib/storage';
 import { TIMEZONE_CONFIG } from '@/lib/constants';
 import { formatInTimeZone, zonedTimeToUtc, utcToZonedTime } from 'date-fns-tz';
 import useStore, { setTimezone } from '@/store/app';
+import useLocale from './useLocale';
 
 const selector = (state: { timezone: string }) => state.timezone;
 
 export function useTimezone() {
   const timezone = useStore(selector);
+  const { dateLocale } = useLocale();
 
   const saveTimezone = (value: string) => {
     setItem(TIMEZONE_CONFIG, value);
@@ -20,6 +22,7 @@ export function useTimezone() {
         : date.split(' ').join('T') + 'Z',
       timezone,
       pattern,
+      { locale: dateLocale },
     );
   };
 
diff --git a/src/lang/mn-MN.json b/src/lang/mn-MN.json
index 769c58a5..60797aef 100644
--- a/src/lang/mn-MN.json
+++ b/src/lang/mn-MN.json
@@ -4,14 +4,14 @@
   "label.activity": "Үйл ажиллагааны бүртгэл",
   "label.add": "Нэмэх",
   "label.add-description": "Тайлбар нэмэх",
-  "label.add-member": "Add member",
-  "label.add-step": "Add step",
+  "label.add-member": "Гишүүн нэмэх",
+  "label.add-step": "Алхам нэмэх",
   "label.add-website": "Веб нэмэх",
   "label.admin": "Админ",
   "label.after": "Хойно",
   "label.all": "Бүх",
   "label.all-time": "Бүх цаг үеийн",
-  "label.analytics": "Analytics",
+  "label.analytics": "Аналитик",
   "label.average": "Дундаж",
   "label.back": "Буцах",
   "label.before": "Өмнө",
@@ -24,12 +24,12 @@
   "label.cities": "Хотууд",
   "label.city": "Хот",
   "label.clear-all": "Бүгдийг арилгах",
-  "label.compare": "Compare",
+  "label.compare": "Харьцуулах",
   "label.confirm": "Батлах",
   "label.confirm-password": "Шинэ нууц үгээ давтах",
   "label.contains": "Агуулах",
   "label.continue": "Үргэлжлүүлэх",
-  "label.count": "Count",
+  "label.count": "Тоо",
   "label.countries": "Улс",
   "label.country": "Улс",
   "label.create": "Үүсгэх",
@@ -37,8 +37,8 @@
   "label.create-team": "Баг үүсгэх",
   "label.create-user": "Хэрэглэгч үүсгэх",
   "label.created": "Үүсгэсэн",
-  "label.created-by": "Created By",
-  "label.current": "Current",
+  "label.created-by": "Үүсгэсэн",
+  "label.current": "Одоогийн",
   "label.current-password": "Ашиглаж буй нууц үг",
   "label.custom-range": "Дурын хугацаа",
   "label.dashboard": "Хянах самбар",
@@ -48,7 +48,7 @@
   "label.day": "Өдөр",
   "label.default-date-range": "Өгөгдмөл хугацааны муж",
   "label.delete": "Устгах",
-  "label.delete-report": "Delete report",
+  "label.delete-report": "Тайлан устгах",
   "label.delete-team": "Баг устгах",
   "label.delete-user": "Хэрэглэгч устгах",
   "label.delete-website": "Веб устгах",
@@ -63,14 +63,14 @@
   "label.dropoff": "Уналт",
   "label.edit": "Засах",
   "label.edit-dashboard": "Хянах самбар засах",
-  "label.edit-member": "Edit member",
+  "label.edit-member": "Гишүүн засах",
   "label.enable-share-url": "Хуваалцах холбоос идэвхжүүлэх",
-  "label.end-step": "End Step",
-  "label.entry": "Entry URL",
+  "label.end-step": "Төгсгөлийн алхам",
+  "label.entry": "Орох зам",
   "label.event": "Үйлдэл",
   "label.event-data": "Үйлдлийн өгөгдөл",
   "label.events": "Үйлдэл",
-  "label.exit": "Exit URL",
+  "label.exit": "Гарах зам",
   "label.false": "Худал",
   "label.field": "Талбар",
   "label.fields": "Талбар",
@@ -78,16 +78,16 @@
   "label.filter-combined": "Нэгтгэсэн",
   "label.filter-raw": "Түүхий",
   "label.filters": "Шүүлтүүр",
-  "label.first-seen": "First seen",
+  "label.first-seen": "Анх харсан",
   "label.funnel": "Цутгал",
   "label.funnel-description": "Хэрэглэгчдийн шилжилт, уналтын хэмжээг шинжлэх.",
-  "label.goal": "Goal",
-  "label.goals": "Goals",
-  "label.goals-description": "Track your goals for pageviews and events.",
+  "label.goal": "Зорилго",
+  "label.goals": "Зорилго",
+  "label.goals-description": "Хуудас үзсэн болон үйлдлийн зорилгыг мөрдөх.",
   "label.greater-than": "Их",
   "label.greater-than-equals": "Их буюу тэнцүү",
-  "label.host": "Host",
-  "label.hosts": "Hosts",
+  "label.host": "Хост",
+  "label.hosts": "Хост",
   "label.insights": "Шинжлэх",
   "label.insights-description": "Өгөгдлөө хэсэгчлэн хуваах, шүүх байдлаар задлан шинжлэх.",
   "label.is": "Бол",
@@ -96,36 +96,36 @@
   "label.is-set": "Утга оноосон",
   "label.join": "Нэгдэх",
   "label.join-team": "Багт нэгдэх",
-  "label.journey": "Journey",
-  "label.journey-description": "Understand how users navigate through your website.",
+  "label.journey": "Аялал",
+  "label.journey-description": "Хэрэглэгчид таны цахим хуудсаар хэрхэн шилжиж явсныг шинжлэх.",
   "label.language": "Хэл",
   "label.languages": "Хэл",
   "label.laptop": "Зөөврийн компьютер",
   "label.last-days": "Сүүлийн {x} хоног",
   "label.last-hours": "Сүүлийн {x} цаг",
-  "label.last-months": "Last {x} months",
-  "label.last-seen": "Last seen",
+  "label.last-months": "Сүүлийн {x} сар",
+  "label.last-seen": "Сүүлд харагдсан",
   "label.leave": "Гарах",
   "label.leave-team": "Багаас гарах",
   "label.less-than": "Бага",
   "label.less-than-equals": "Бага буюу тэнцүү",
   "label.login": "Нэвтрэх",
   "label.logout": "Гарах",
-  "label.manage": "Manage",
-  "label.manager": "Manager",
+  "label.manage": "Удирдах",
+  "label.manager": "Удирдагч",
   "label.max": "Max",
-  "label.member": "Member",
+  "label.member": "Гишүүн",
   "label.members": "Гишүүд",
   "label.min": "Min",
   "label.mobile": "Утас",
   "label.more": "Цааш",
-  "label.my-account": "My account",
+  "label.my-account": "Миний бүртгэл",
   "label.my-websites": "Миний вебүүд",
   "label.name": "Нэр",
   "label.new-password": "Шинэ нууц үг",
   "label.none": "Байхгүй",
-  "label.number-of-records": "{x} {x, plural, one {record} other {records}}",
-  "label.ok": "OK",
+  "label.number-of-records": "{x} {x, plural, one {бичлэг} other {бичлэг}}",
+  "label.ok": "ЗА",
   "label.os": "OS",
   "label.overview": "Тойм",
   "label.owner": "Эзэмшигч",
@@ -134,15 +134,15 @@
   "label.pageTitle": "Хуудасны гарчиг",
   "label.pages": "Хуудас",
   "label.password": "Нууц үг",
-  "label.path": "Path",
-  "label.paths": "Paths",
+  "label.path": "Зам",
+  "label.paths": "Зам",
   "label.powered-by": "{name} дээр суурилсан",
-  "label.previous": "Previous",
-  "label.previous-period": "Previous period",
-  "label.previous-year": "Previous year",
+  "label.previous": "Өмнөх",
+  "label.previous-period": "Өмнөх үе",
+  "label.previous-year": "Өмнөх жил",
   "label.profile": "Бүртгэл",
-  "label.properties": "Properties",
-  "label.property": "Property",
+  "label.properties": "Шинж чанар",
+  "label.property": "Шинж чанар",
   "label.queries": "Query-нүүд",
   "label.query": "Query",
   "label.query-parameters": "Query параметр",
@@ -154,22 +154,22 @@
   "label.region": "Бүс",
   "label.regions": "Бүсүүд",
   "label.remove": "Устгах",
-  "label.remove-member": "Remove member",
+  "label.remove-member": "Гишүүн хасах",
   "label.reports": "Тайлан",
   "label.required": "Шаардлагатай",
   "label.reset": "Дахин эхлүүлэх",
   "label.reset-website": "Тоон үзүүлэлтийг дахин эхлүүлэх",
   "label.retention": "Барилт",
   "label.retention-description": "Хэрэглэгчид таны веб рүү дахин хандах буюу хэрэглэгчдээ хэр тогтоож буйг хэмжих.",
-  "label.revenue": "Revenue",
-  "label.revenue-description": "Look into your revenue across time.",
-  "label.revenue-property": "Revenue Property",
+  "label.revenue": "Орлого",
+  "label.revenue-description": "Цаг хугацааны туршид орлогын өөрчлөлтийг харах.",
+  "label.revenue-property": "Орлогын шинж чанар",
   "label.role": "Эрх",
   "label.run-query": "Query ажиллуулах",
   "label.save": "Хадгалах",
   "label.screens": "Дэлгэц",
   "label.search": "Хайх",
-  "label.select": "Select",
+  "label.select": "Сонгох",
   "label.select-date": "Огноо сонгох",
   "label.select-role": "Select role",
   "label.select-website": "Веб сонгох",
@@ -178,13 +178,13 @@
   "label.settings": "Тохиргоо",
   "label.share-url": "Хуваалцах холбоос",
   "label.single-day": "Нэг өдөр",
-  "label.start-step": "Start Step",
-  "label.steps": "Steps",
+  "label.start-step": "Эхлэх алхам",
+  "label.steps": "Алхам",
   "label.sum": "Нийлбэр",
   "label.tablet": "Таблет",
   "label.team": "Баг",
   "label.team-id": "Багийн ID",
-  "label.team-manager": "Team manager",
+  "label.team-manager": "Багийн удирдагч",
   "label.team-member": "Багийн гишүүн",
   "label.team-name": "Багийн нэр",
   "label.team-owner": "Багийн эзэмшигч",
@@ -203,46 +203,46 @@
   "label.total-records": "Нийт мөрийн тоо",
   "label.tracking-code": "Мөрдөх код",
   "label.transactions": "Transactions",
-  "label.transfer": "Transfer",
-  "label.transfer-website": "Transfer website",
+  "label.transfer": "Шилжүүлэх",
+  "label.transfer-website": "Вебийг шилжүүлэх",
   "label.true": "Үнэн",
   "label.type": "Төрөл",
   "label.unique": "Давхардаагүй",
   "label.unique-visitors": "Зочин",
-  "label.uniqueCustomers": "Unique Customers",
+  "label.uniqueCustomers": "Давтагдаагүй зочин",
   "label.unknown": "Тодорхойгүй",
   "label.untitled": "Гарчиггүй",
-  "label.update": "Update",
+  "label.update": "Шинэчлэх",
   "label.url": "URL",
-  "label.urls": "URLs",
+  "label.urls": "URL-ууд",
   "label.user": "Хэрэглэгч",
-  "label.user-property": "User Property",
+  "label.user-property": "Хэрэглэгчийн шинж",
   "label.username": "Хэрэглэгчийн нэр",
   "label.users": "Хэрэглэгчид",
   "label.utm": "UTM",
-  "label.utm-description": "Track your campaigns through UTM parameters.",
+  "label.utm-description": "UTM параметраар кампанит ажлаа мөрдөх.",
   "label.value": "Утга",
   "label.view": "Харах",
   "label.view-details": "Дэлгэрүүлж харах",
   "label.view-only": "Зөвхөн үзэх",
   "label.views": "Үзсэн",
-  "label.views-per-visit": "Views per visit",
+  "label.views-per-visit": "Зочдын хуудас үзсэн тоо",
   "label.visit-duration": "Зочилсон дундаж хугацаа",
   "label.visitors": "Зочин",
-  "label.visits": "Visits",
+  "label.visits": "Зочилсон",
   "label.website": "Веб",
   "label.website-id": "Вебийн ID",
   "label.websites": "Вебүүд",
   "label.window": "Цонх",
   "label.yesterday": "Өчигдөр",
-  "message.action-confirmation": "Type {confirmation} in the box below to confirm.",
+  "message.action-confirmation": "Доорх хэсэгт {confirmation} гэж бичин баталгаажуулна уу.",
   "message.active-users": "одоо {x} {x, plural, one {зочин} other {зочин}} байна",
-  "message.collected-data": "Collected data",
+  "message.collected-data": "Цуглуулсан өгөгдөл",
   "message.confirm-delete": "Та {target}-г устгахдаа итгэлтэй байна уу?",
   "message.confirm-leave": "Та {target}-с гарахдаа итгэлтэй байна уу?",
-  "message.confirm-remove": "Are you sure you want to remove {target}?",
+  "message.confirm-remove": "Та {target}-г устгахдаа итгэлтэй байна уу?",
   "message.confirm-reset": "Та {target}-н тоон үзүүлэлтүүдийг устгахдаа итгэлтэй байна уу?",
-  "message.delete-team-warning": "Deleting a team will also delete all team websites.",
+  "message.delete-team-warning": "Баг устгах нь мөн түүнд харъяалагдах вебүүдийг устгах болно.",
   "message.delete-website-warning": "Энэ вебтэй холбоотой бүх өгөгдөл устах болно.",
   "message.error": "Ямар нэг зүйл буруу боллоо.",
   "message.event-log": "{url}-д {event}",
@@ -268,12 +268,12 @@
   "message.team-not-found": "Баг олдсонгүй.",
   "message.team-websites-info": "Вебийг багийн бүх гишүүд үзэж болно.",
   "message.tracking-code": "Энэ вебийн хандалтуудыг мөрдөхийн тулд доорх кодыг HTML-нхээ <head>...</head> хэсэгт байрлуулна уу.",
-  "message.transfer-team-website-to-user": "Transfer this website to your account?",
-  "message.transfer-user-website-to-team": "Select the team to transfer this website to.",
-  "message.transfer-website": "Transfer website ownership to your account or another team.",
-  "message.triggered-event": "Triggered event",
+  "message.transfer-team-website-to-user": "Энэ вебийг өөрийн бүртгэл рүү шилжүүлэх үү?",
+  "message.transfer-user-website-to-team": "Энэ вебийг шилжүүлж авах багийг сонгоно уу.",
+  "message.transfer-website": "Энэ вебийг өөрийн бүртгэл рүү эсвэл багт шилжүүлж авах.",
+  "message.triggered-event": "Өдөөсөн үйлдэл",
   "message.user-deleted": "Хэрэглэгч устсан.",
-  "message.viewed-page": "Viewed page",
+  "message.viewed-page": "Үзсэн хуудас",
   "message.visitor-log": "{country} улсаас {os} {device} дээр {browser} хөтөч ашиглан орсон",
-  "message.visitors-dropped-off": "Visitors dropped off"
+  "message.visitors-dropped-off": "Зочдын уналт"
 }