diff --git a/blueprint/blueprint.go b/blueprint/blueprint.go
index 3e11614..c0c28ae 100644
--- a/blueprint/blueprint.go
+++ b/blueprint/blueprint.go
@@ -18,6 +18,20 @@ func NewCard() *card {
 	return c
 }
 
+func WithCard(timezone string) *card {
+	if utils.IsEmpty(timezone) {
+		timezone = timex.DefaultTimezoneVietnam
+	}
+	c := NewCard()
+	c.SetTimestamp(timex.AdjustTimezone(time.Now(), timezone))
+	return c
+}
+
+func (c *card) SetTimezone(value string) *card {
+	c.timezone = value
+	return c
+}
+
 func (c *card) SetTimestamp(value time.Time) *card {
 	c.Timestamp = value.Format(timex.TimeFormat20060102150405)
 	return c
diff --git a/blueprint/blueprint_model.go b/blueprint/blueprint_model.go
index dea63f5..92c1d3e 100644
--- a/blueprint/blueprint_model.go
+++ b/blueprint/blueprint_model.go
@@ -3,6 +3,7 @@ package blueprint
 type IconText string
 
 type card struct {
+	timezone    string
 	Timestamp   string   `json:"timestamp"`
 	Icon        string   `json:"icon"`
 	IconText    IconText `json:"icon_text,omitempty"`
diff --git a/bot/telegram/telegram.go b/bot/telegram/telegram.go
index f346278..7c65007 100644
--- a/bot/telegram/telegram.go
+++ b/bot/telegram/telegram.go
@@ -169,6 +169,11 @@ func (t *telegramOptionConfig) SetMaxRetries(value int) *telegramOptionConfig {
 	return t
 }
 
+func (t *telegramOptionConfig) SetTimezone(value string) *telegramOptionConfig {
+	t.Timezone = value
+	return t
+}
+
 func (t *telegramOptionConfig) Json() string {
 	return utils.ToJson(t)
 }
diff --git a/bot/telegram/telegram_model.go b/bot/telegram/telegram_model.go
index 5683639..6a22b17 100644
--- a/bot/telegram/telegram_model.go
+++ b/bot/telegram/telegram_model.go
@@ -13,6 +13,7 @@ type TelegramConfig struct {
 }
 
 type telegramOptionConfig struct {
+	Timezone   string             `json:"timezone" yaml:"timezone"`
 	Type       TelegramFormatType `json:"type" binding:"required" yaml:"type"`
 	MaxRetries int                `json:"max_retries" yaml:"max-retries"`
 }
diff --git a/bot/telegram/telegram_service.go b/bot/telegram/telegram_service.go
index 563eca5..7f0fe2b 100644
--- a/bot/telegram/telegram_service.go
+++ b/bot/telegram/telegram_service.go
@@ -45,8 +45,8 @@ type TelegramService interface {
 }
 
 type telegramServiceImpl struct {
-	config TelegramConfig       `json:"-"`
-	option telegramOptionConfig `json:"-"`
+	config TelegramConfig
+	option telegramOptionConfig
 }
 
 func NewTelegramService(config TelegramConfig, option telegramOptionConfig) TelegramService {
@@ -280,42 +280,42 @@ func (s *telegramServiceImpl) SendMessageHandshake(request builder.MapBuilder) (
 }
 
 func (s *telegramServiceImpl) SendNotification(topic, message string) (builder.MapBuilder, error) {
-	b := blueprint.NewCard().SetIconText(blueprint.TypeNotification).SetDescription(message).SetTitle(topic)
+	b := blueprint.WithCard(s.option.Timezone).SetIconText(blueprint.TypeNotification).SetDescription(message).SetTitle(topic)
 	return s.SendMessage(b.GenCardDefault())
 }
 
 func (s *telegramServiceImpl) SendInfo(topic, message string) (builder.MapBuilder, error) {
-	b := blueprint.NewCard().SetIconText(blueprint.TypeInfo).SetDescription(message).SetTitle(topic)
+	b := blueprint.WithCard(s.option.Timezone).SetIconText(blueprint.TypeInfo).SetDescription(message).SetTitle(topic)
 	return s.SendMessage(b.GenCardDefault())
 }
 
 func (s *telegramServiceImpl) SendWarning(topic, message string) (builder.MapBuilder, error) {
-	b := blueprint.NewCard().SetIconText(blueprint.TypeWarning).SetDescription(message).SetTitle(topic)
+	b := blueprint.WithCard(s.option.Timezone).SetIconText(blueprint.TypeWarning).SetDescription(message).SetTitle(topic)
 	return s.SendMessage(b.GenCardDefault())
 }
 
 func (s *telegramServiceImpl) SendError(topic, message string) (builder.MapBuilder, error) {
-	b := blueprint.NewCard().SetIconText(blueprint.TypeError).SetDescription(message).SetTitle(topic)
+	b := blueprint.WithCard(s.option.Timezone).SetIconText(blueprint.TypeError).SetDescription(message).SetTitle(topic)
 	return s.SendMessage(b.GenCardDefault())
 }
 
 func (s *telegramServiceImpl) SendDebug(topic, message string) (builder.MapBuilder, error) {
-	b := blueprint.NewCard().SetIconText(blueprint.TypeDebug).SetDescription(message).SetTitle(topic)
+	b := blueprint.WithCard(s.option.Timezone).SetIconText(blueprint.TypeDebug).SetDescription(message).SetTitle(topic)
 	return s.SendMessage(b.GenCardDefault())
 }
 
 func (s *telegramServiceImpl) SendSuccess(topic, message string) (builder.MapBuilder, error) {
-	b := blueprint.NewCard().SetIconText(blueprint.TypeSuccess).SetDescription(message).SetTitle(topic)
+	b := blueprint.WithCard(s.option.Timezone).SetIconText(blueprint.TypeSuccess).SetDescription(message).SetTitle(topic)
 	return s.SendMessage(b.GenCardDefault())
 }
 
 func (s *telegramServiceImpl) SendBug(topic, message string) (builder.MapBuilder, error) {
-	b := blueprint.NewCard().SetIconText(blueprint.TypeBug).SetDescription(message).SetTitle(topic)
+	b := blueprint.WithCard(s.option.Timezone).SetIconText(blueprint.TypeBug).SetDescription(message).SetTitle(topic)
 	return s.SendMessage(b.GenCardDefault())
 }
 
 func (s *telegramServiceImpl) SendTrace(topic, message string) (builder.MapBuilder, error) {
-	b := blueprint.NewCard().SetIconText(blueprint.TypeTrace).SetDescription(message).SetTitle(topic)
+	b := blueprint.WithCard(s.option.Timezone).SetIconText(blueprint.TypeTrace).SetDescription(message).SetTitle(topic)
 	return s.SendMessage(b.GenCardDefault())
 }
 
diff --git a/example/govm_test.go b/example/govm_test.go
index 1f84f11..449a954 100644
--- a/example/govm_test.go
+++ b/example/govm_test.go
@@ -4,6 +4,7 @@ import (
 	"testing"
 
 	"github.com/sivaosorg/govm/bot/telegram"
+	"github.com/sivaosorg/govm/timex"
 )
 
 // bot: t.me/javis_notify_forum_bot
@@ -11,7 +12,9 @@ import (
 // chat_id: -1002042977093
 // token: 6806983892:AAGcPZiuNktLFnyVWrRyOyYssECcVmNJSRo
 func createTelegramService() telegram.TelegramService {
-	options := telegram.NewTelegramOptionConfig().SetType(telegram.ModeHTML)
+	options := telegram.NewTelegramOptionConfig().
+		SetType(telegram.ModeHTML).
+		SetTimezone(timex.DefaultTimezoneVietnam)
 	svc := telegram.NewTelegramService(*telegram.GetTelegramConfigSample().
 		SetChatId([]int64{-1002042977093}).
 		SetToken("6806983892:AAGcPZiuNktLFnyVWrRyOyYssECcVmNJSRo").