From 30781430c5ef51c6d4d79b620ffa4f34293bf9d4 Mon Sep 17 00:00:00 2001
From: Francis Cao <franciscao@gmail.com>
Date: Tue, 11 Nov 2025 13:13:25 -0800
Subject: [PATCH] remove timezone from realtime. Closes #3700

---
 src/app/api/realtime/[websiteId]/route.ts        | 8 +-------
 src/components/hooks/queries/useRealtimeQuery.ts | 6 ++----
 src/lib/clickhouse.ts                            | 2 +-
 src/queries/sql/pageviews/getPageviewStats.ts    | 2 +-
 src/queries/sql/sessions/getSessionStats.ts      | 2 +-
 5 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/src/app/api/realtime/[websiteId]/route.ts b/src/app/api/realtime/[websiteId]/route.ts
index 054a1241..eaa0bbd8 100644
--- a/src/app/api/realtime/[websiteId]/route.ts
+++ b/src/app/api/realtime/[websiteId]/route.ts
@@ -1,21 +1,15 @@
 import { REALTIME_RANGE } from '@/lib/constants';
 import { getQueryFilters, parseRequest } from '@/lib/request';
 import { json, unauthorized } from '@/lib/response';
-import { timezoneParam } from '@/lib/schema';
 import { canViewWebsite } from '@/permissions';
 import { getRealtimeData } from '@/queries/sql';
 import { startOfMinute, subMinutes } from 'date-fns';
-import z from 'zod';
 
 export async function GET(
   request: Request,
   { params }: { params: Promise<{ websiteId: string }> },
 ) {
-  const schema = z.object({
-    timezone: timezoneParam,
-  });
-
-  const { auth, query, error } = await parseRequest(request, schema);
+  const { auth, query, error } = await parseRequest(request);
 
   if (error) {
     return error();
diff --git a/src/components/hooks/queries/useRealtimeQuery.ts b/src/components/hooks/queries/useRealtimeQuery.ts
index 582fe9fa..ed388b03 100644
--- a/src/components/hooks/queries/useRealtimeQuery.ts
+++ b/src/components/hooks/queries/useRealtimeQuery.ts
@@ -1,4 +1,3 @@
-import { useTimezone } from '@/components/hooks/useTimezone';
 import { REALTIME_INTERVAL } from '@/lib/constants';
 import { useApi } from '../useApi';
 
@@ -24,11 +23,10 @@ export interface RealtimeData {
 
 export function useRealtimeQuery(websiteId: string) {
   const { get, useQuery } = useApi();
-  const { timezone } = useTimezone();
   const { data, isLoading, error } = useQuery<RealtimeData>({
-    queryKey: ['realtime', { websiteId, timezone }],
+    queryKey: ['realtime', { websiteId }],
     queryFn: async () => {
-      return get(`/realtime/${websiteId}`, { timezone });
+      return get(`/realtime/${websiteId}`);
     },
     enabled: !!websiteId,
     refetchInterval: REALTIME_INTERVAL,
diff --git a/src/lib/clickhouse.ts b/src/lib/clickhouse.ts
index 5e6e7133..4880e122 100644
--- a/src/lib/clickhouse.ts
+++ b/src/lib/clickhouse.ts
@@ -61,7 +61,7 @@ function getDateStringSQL(data: any, unit: string = 'utc', timezone?: string) {
 
 function getDateSQL(field: string, unit: string, timezone?: string) {
   if (timezone) {
-    return `toDateTime(date_trunc('${unit}', ${field}, '${timezone}'), '${timezone}')`;
+    return `toDateTime(date_trunc('${unit}', ${field}, '${timezone}'))`;
   }
   return `toDateTime(date_trunc('${unit}', ${field}))`;
 }
diff --git a/src/queries/sql/pageviews/getPageviewStats.ts b/src/queries/sql/pageviews/getPageviewStats.ts
index 7dd9ac93..a6619e87 100644
--- a/src/queries/sql/pageviews/getPageviewStats.ts
+++ b/src/queries/sql/pageviews/getPageviewStats.ts
@@ -45,7 +45,7 @@ async function clickhouseQuery(
   websiteId: string,
   filters: QueryFilters,
 ): Promise<{ x: string; y: number }[]> {
-  const { timezone = 'utc', unit = 'day' } = filters;
+  const { timezone = 'UTC', unit = 'day' } = filters;
   const { parseFilters, rawQuery, getDateSQL } = clickhouse;
   const { filterQuery, cohortQuery, queryParams } = parseFilters({
     ...filters,
diff --git a/src/queries/sql/sessions/getSessionStats.ts b/src/queries/sql/sessions/getSessionStats.ts
index 07582d39..ea93b226 100644
--- a/src/queries/sql/sessions/getSessionStats.ts
+++ b/src/queries/sql/sessions/getSessionStats.ts
@@ -45,7 +45,7 @@ async function clickhouseQuery(
   websiteId: string,
   filters: QueryFilters,
 ): Promise<{ x: string; y: number }[]> {
-  const { timezone = 'utc', unit = 'day' } = filters;
+  const { timezone = 'UTC', unit = 'day' } = filters;
   const { parseFilters, rawQuery, getDateSQL } = clickhouse;
   const { filterQuery, cohortQuery, queryParams } = parseFilters({
     ...filters,