diff --git a/frontend/src/components/Summary.jsx b/frontend/src/components/Summary.jsx
index e72c462..18d8c5a 100644
--- a/frontend/src/components/Summary.jsx
+++ b/frontend/src/components/Summary.jsx
@@ -26,6 +26,7 @@ function Summary({ startDate, endDate }) {
       const params = {}
       if (startDate) params.start = startDate.toISOString()
       if (endDate) params.end = endDate.toISOString()
+      params.tz_offset = -new Date().getTimezoneOffset()
 
       const response = await axios.get(`${API_BASE}/analytics`, { params })
       setAnalytics(response.data)
@@ -110,6 +111,8 @@ function Summary({ startDate, endDate }) {
     displayName: c.contact_name || formatPhoneNumber(c.address) || c.address
   }))
 
+  const truncate = (str, max) => str.length > max ? str.slice(0, max) + '…' : str
+
   return (
     <div className="h-100 d-flex flex-column">
       <div className="bg-light border-bottom p-3">
@@ -201,14 +204,15 @@ function Summary({ startDate, endDate }) {
               <div className="card-body">
                 {topContactsData.length > 0 ? (
                   <ResponsiveContainer width="100%" height={Math.max(200, topContactsData.length * 36)}>
-                    <BarChart data={topContactsData} layout="vertical">
+                    <BarChart data={topContactsData} layout="vertical" margin={{ left: 0, right: 16 }}>
                       <CartesianGrid strokeDasharray="3 3" />
                       <XAxis type="number" />
                       <YAxis
                         type="category"
                         dataKey="displayName"
-                        width={120}
+                        width={160}
                         tick={{ fontSize: 11 }}
+                        tickFormatter={(val) => truncate(val, 22)}
                       />
                       <Tooltip
                         formatter={(value) => [value.toLocaleString(), 'Messages']}
diff --git a/internal/database.go b/internal/database.go
index 251b908..567cc8b 100644
--- a/internal/database.go
+++ b/internal/database.go
@@ -1046,7 +1046,7 @@ func SearchMessages(userDB *sql.DB, query string, limit int) ([]SearchResult, er
 }
 
 // GetAnalytics retrieves analytics data for the Summary tab
-func GetAnalytics(userDB *sql.DB, startDate, endDate *time.Time, topN int) (*AnalyticsResponse, error) {
+func GetAnalytics(userDB *sql.DB, startDate, endDate *time.Time, topN int, tzOffsetMinutes int) (*AnalyticsResponse, error) {
 	analytics := &AnalyticsResponse{}
 
 	// Build date filter
@@ -1074,7 +1074,7 @@ func GetAnalytics(userDB *sql.DB, startDate, endDate *time.Time, topN int) (*Ana
 	analytics.TopContacts = topContacts
 
 	// 3. Get hourly distribution
-	hourly, err := getHourlyDistribution(userDB, dateFilter, args)
+	hourly, err := getHourlyDistribution(userDB, dateFilter, args, tzOffsetMinutes)
 	if err != nil {
 		return nil, err
 	}
@@ -1154,10 +1154,11 @@ func getTopContacts(userDB *sql.DB, dateFilter string, args []interface{}, limit
 	return contacts, nil
 }
 
-func getHourlyDistribution(userDB *sql.DB, dateFilter string, args []interface{}) ([]HourlyDistribution, error) {
+func getHourlyDistribution(userDB *sql.DB, dateFilter string, args []interface{}, tzOffsetMinutes int) ([]HourlyDistribution, error) {
+	tzModifier := fmt.Sprintf("%+d minutes", tzOffsetMinutes)
 	query := `
 		SELECT
-			CAST(strftime('%H', date, 'unixepoch', 'localtime') AS INTEGER) as hour,
+			CAST(strftime('%H', date, 'unixepoch', '` + tzModifier + `') AS INTEGER) as hour,
 			COUNT(*) as count
 		FROM messages
 		WHERE record_type IN (1, 2) ` + dateFilter + `
diff --git a/internal/handlers.go b/internal/handlers.go
index d7d89e8..8b39cad 100644
--- a/internal/handlers.go
+++ b/internal/handlers.go
@@ -586,7 +586,15 @@ func HandleAnalytics(c echo.Context) error {
 		}
 	}
 
-	analytics, err := GetAnalytics(userDB, startDate, endDate, topN)
+	// Timezone offset in minutes from UTC (e.g. -300 for UTC-5, 330 for UTC+5:30)
+	tzOffsetMinutes := 0
+	if tzStr := c.QueryParam("tz_offset"); tzStr != "" {
+		if val, err := strconv.Atoi(tzStr); err == nil && val >= -840 && val <= 840 {
+			tzOffsetMinutes = val
+		}
+	}
+
+	analytics, err := GetAnalytics(userDB, startDate, endDate, topN, tzOffsetMinutes)
 	if err != nil {
 		slog.Error("Error getting analytics", "error", err)
 		return c.JSON(http.StatusInternalServerError, map[string]string{