fix

components/HabitHeatmap.tsx

@@ -2,6 +2,8 @@
 
 import HeatMap from '@uiw/react-heat-map'
 import { Habit } from '@/lib/types'
+import { getDateInTimezone } from '@/lib/utils'
+import { useSettings } from '@/hooks/useSettings'
 
 interface HabitHeatmapProps {
   habits: Habit[]
@@ -24,9 +26,12 @@ export default function HabitHeatmap({ habits }: HabitHeatmapProps) {
     count
   }))
 
+  const { settings } = useSettings()
+
   // Get start date (30 days ago)
-  const startDate = new Date()
-  startDate.setDate(startDate.getDate() - 30)
+  const now = getDateInTimezone(new Date(), settings.system.timezone)
+  const startDate = now
+  startDate.setDate(now.getDate() - 30)
 
   return (
     <div className="p-4 bg-white rounded-lg shadow">