diff --git a/src/app/(main)/profile/TimeUnitSettings.tsx b/src/app/(main)/profile/TimeUnitSettings.tsx
index c13300829..73ff35c3b 100644
--- a/src/app/(main)/profile/TimeUnitSettings.tsx
+++ b/src/app/(main)/profile/TimeUnitSettings.tsx
@@ -1,13 +1,14 @@
-import { useMessages } from 'components/hooks';
+import { useDateRange, useMessages } from 'components/hooks';
 import useTimeUnit from 'components/hooks/useTimeUnit';
 import { Button, Dropdown, Flexbox, Item } from 'react-basics';
 import styles from './TimeUnitSettings.module.css';
 
 export function TimeUnitSettings() {
   const { formatMessage, labels } = useMessages();
-  const { timeUnit, timeUnitOptions, updateTimeUnit } = useTimeUnit();
+  const { dateRange } = useDateRange();
+  const { timeUnit, timeUnitOptions, updateTimeUnit } = useTimeUnit(dateRange);
 
-  const handleReset = () => updateTimeUnit('hour');
+  const handleReset = () => updateTimeUnit('day');
 
   return (
     <Flexbox gap={10}>
diff --git a/src/components/hooks/useTimeUnit.ts b/src/components/hooks/useTimeUnit.ts
index dbbe21edd..e70902dcc 100644
--- a/src/components/hooks/useTimeUnit.ts
+++ b/src/components/hooks/useTimeUnit.ts
@@ -1,28 +1,46 @@
-import { DEFAULT_TIME_UNIT, TIME_UNIT_CONFIG } from 'lib/constants';
-import { TimeUnit } from 'lib/types';
+import { DEFAULT_TIME_UNIT, MAX_CHART_POINTS, TIME_UNIT_CONFIG, UNIT_TYPES } from 'lib/constants';
+import { getDateLength } from 'lib/date';
+import { DateRange, TimeUnit } from 'lib/types';
 import { getItem, setItem } from 'next-basics';
 import { useState } from 'react';
 import useStore, { setTimeUnit } from 'store/app';
 
 const selector = (state: { timeUnit: string }) => state.timeUnit;
 
-export function useTimeUnit() {
+export function useTimeUnit(dateRange?: DateRange) {
   const storeTimeUnit = useStore(selector) || getItem(TIME_UNIT_CONFIG) || DEFAULT_TIME_UNIT;
-  const [tempTimeUnit, setTempTimeUnit] = useState<TimeUnit>(storeTimeUnit);
-  const timeUnitOptions = ['hour', 'day', 'week', 'month', 'year'];
+  const validTimeUnits = getValidTimeUnits(dateRange);
+  const [tempTimeUnit, setTempTimeUnit] = useState<TimeUnit>(() => {
+    return validTimeUnits.includes(storeTimeUnit) ? storeTimeUnit : validTimeUnits[0];
+  });
+
+  function getValidTimeUnits(dateRange: DateRange) {
+    if (!dateRange?.startDate || !dateRange?.endDate) {
+      return UNIT_TYPES;
+    }
+
+    return UNIT_TYPES.filter(unit => {
+      const points = getDateLength(dateRange.startDate, dateRange.endDate, unit);
+      return points <= MAX_CHART_POINTS;
+    });
+  }
 
   function updateTimeUnit(value: TimeUnit) {
-    setTempTimeUnit(value);
+    if (validTimeUnits.includes(value)) {
+      setTempTimeUnit(value);
+    }
   }
 
   function saveTimeUnit() {
-    setTimeUnit(tempTimeUnit);
-    setItem(TIME_UNIT_CONFIG, tempTimeUnit);
+    if (validTimeUnits.includes(tempTimeUnit)) {
+      setTimeUnit(tempTimeUnit);
+      setItem(TIME_UNIT_CONFIG, tempTimeUnit);
+    }
   }
 
   return {
     timeUnit: tempTimeUnit,
-    timeUnitOptions,
+    timeUnitOptions: validTimeUnits,
     updateTimeUnit,
     saveTimeUnit,
   };
diff --git a/src/components/input/WebsiteChartSettings.tsx b/src/components/input/WebsiteChartSettings.tsx
index d407d03b6..8ce117280 100644
--- a/src/components/input/WebsiteChartSettings.tsx
+++ b/src/components/input/WebsiteChartSettings.tsx
@@ -1,18 +1,20 @@
 import TimeUnitSettings from 'app/(main)/profile/TimeUnitSettings';
-import { useMessages } from 'components/hooks';
+import { useDateRange, useMessages } from 'components/hooks';
 import useTimeUnit from 'components/hooks/useTimeUnit';
 import { Button, Form, FormRow, Modal } from 'react-basics';
 import styles from './WebsiteChartSettings.module.css';
 
 export interface WebsiteChartSettingsProps {
+  websiteId: string;
   isOpened?: boolean;
   onClose: () => void;
   onChange?: (value: string) => void;
 }
 
-export function WebsiteChartSettings({ onClose }: WebsiteChartSettingsProps) {
+export function WebsiteChartSettings({ websiteId, onClose }: WebsiteChartSettingsProps) {
   const { formatMessage, labels } = useMessages();
-  const { saveTimeUnit } = useTimeUnit();
+  const { dateRange } = useDateRange(websiteId);
+  const { saveTimeUnit } = useTimeUnit(dateRange);
 
   const handleSave = () => {
     saveTimeUnit();
diff --git a/src/components/input/WebsiteDateFilter.tsx b/src/components/input/WebsiteDateFilter.tsx
index ca85c7444..4570d295b 100644
--- a/src/components/input/WebsiteDateFilter.tsx
+++ b/src/components/input/WebsiteDateFilter.tsx
@@ -62,6 +62,7 @@ export function WebsiteDateFilter({
       </Button>
       {showChartParams && (
         <WebsiteChartSettings
+          websiteId={websiteId}
           isOpened={showChartParams}
           onClose={() => setShowChartParams(false)}
           onChange={handleChange}
diff --git a/src/lib/constants.ts b/src/lib/constants.ts
index 64ca37938..ccedac7e7 100644
--- a/src/lib/constants.ts
+++ b/src/lib/constants.ts
@@ -18,7 +18,7 @@ export const DEFAULT_LOCALE = process.env.defaultLocale || 'en-US';
 export const DEFAULT_THEME = 'light';
 export const DEFAULT_ANIMATION_DURATION = 300;
 export const DEFAULT_DATE_RANGE = '24hour';
-export const DEFAULT_TIME_UNIT = '1hour';
+export const DEFAULT_TIME_UNIT = 'day';
 export const DEFAULT_WEBSITE_LIMIT = 10;
 export const DEFAULT_RESET_DATE = '2000-01-01';
 export const DEFAULT_PAGE_SIZE = 10;
@@ -26,6 +26,7 @@ export const DEFAULT_DATE_COMPARE = 'prev';
 
 export const REALTIME_RANGE = 30;
 export const REALTIME_INTERVAL = 10000;
+export const MAX_CHART_POINTS = 720;
 
 export const FILTER_COMBINED = 'filter-combined';
 export const FILTER_RAW = 'filter-raw';