diff --git a/backend/internal/http/router/handlers-web.go b/backend/internal/http/router/handlers-web.go
index 7ac619cee..481c58c1f 100644
--- a/backend/internal/http/router/handlers-web.go
+++ b/backend/internal/http/router/handlers-web.go
@@ -170,6 +170,7 @@ func (e *Router) startSessionHandlerWeb(w http.ResponseWriter, r *http.Request)
 			SessionID:            sessionID,
 			Platform:             "web",
 			Timestamp:            sessionStart.Timestamp,
+			Timezone:             req.Timezone,
 			ProjectID:            uint32(sessionStart.ProjectID),
 			TrackerVersion:       sessionStart.TrackerVersion,
 			RevID:                sessionStart.RevID,
diff --git a/backend/internal/http/router/model.go b/backend/internal/http/router/model.go
index 7d68050d9..3a6cac5dc 100644
--- a/backend/internal/http/router/model.go
+++ b/backend/internal/http/router/model.go
@@ -5,6 +5,7 @@ type StartSessionRequest struct {
 	UserUUID        *string `json:"userUUID"`
 	RevID           string  `json:"revID"`
 	Timestamp       int64   `json:"timestamp"`
+	Timezone        string  `json:"timezone"`
 	TrackerVersion  string  `json:"trackerVersion"`
 	IsSnippet       bool    `json:"isSnippet"`
 	DeviceMemory    uint64  `json:"deviceMemory"`
diff --git a/backend/pkg/sessions/model.go b/backend/pkg/sessions/model.go
index e774ca094..2ffb902bd 100644
--- a/backend/pkg/sessions/model.go
+++ b/backend/pkg/sessions/model.go
@@ -3,6 +3,7 @@ package sessions
 type Session struct {
 	SessionID            uint64
 	Timestamp            uint64
+	Timezone             string
 	ProjectID            uint32
 	TrackerVersion       string
 	RevID                string
diff --git a/backend/pkg/sessions/storage.go b/backend/pkg/sessions/storage.go
index 9dec22c5e..a9d015a34 100644
--- a/backend/pkg/sessions/storage.go
+++ b/backend/pkg/sessions/storage.go
@@ -40,7 +40,7 @@ func (s *storageImpl) Add(sess *Session) error {
 			tracker_version, issue_score,
 			platform,
 			user_agent, user_browser, user_browser_version, user_device_memory_size, user_device_heap_size,
-			user_id, user_state, user_city
+			user_id, user_state, user_city, timezone
 		) VALUES (
 			$1, $2, $3,
 			$4, $5, $6, $7, 
@@ -49,7 +49,7 @@ func (s *storageImpl) Add(sess *Session) error {
 			$11, $12,
 			$13,
 			NULLIF($14, ''), NULLIF($15, ''), NULLIF($16, ''), NULLIF($17, 0), NULLIF($18, 0::bigint),
-			NULLIF(LEFT($19, 8000), ''), NULLIF($20, ''), NULLIF($21, '')
+			NULLIF(LEFT($19, 8000), ''), NULLIF($20, ''), NULLIF($21, ''), $22
 		)`,
 		sess.SessionID, sess.ProjectID, sess.Timestamp,
 		sess.UserUUID, sess.UserDevice, sess.UserDeviceType, sess.UserCountry,
@@ -58,7 +58,7 @@ func (s *storageImpl) Add(sess *Session) error {
 		sess.TrackerVersion, sess.Timestamp/1000,
 		sess.Platform,
 		sess.UserAgent, sess.UserBrowser, sess.UserBrowserVersion, sess.UserDeviceMemorySize, sess.UserDeviceHeapSize,
-		sess.UserID, sess.UserState, sess.UserCity,
+		sess.UserID, sess.UserState, sess.UserCity, sess.Timezone,
 	)
 }
 
diff --git a/ee/backend/pkg/db/clickhouse/connector.go b/ee/backend/pkg/db/clickhouse/connector.go
index 29c0fe1d9..858fa930e 100644
--- a/ee/backend/pkg/db/clickhouse/connector.go
+++ b/ee/backend/pkg/db/clickhouse/connector.go
@@ -106,7 +106,7 @@ func (c *connectorImpl) newBatch(name, query string) error {
 }
 
 var batches = map[string]string{
-	"sessions":      "INSERT INTO experimental.sessions (session_id, project_id, user_id, user_uuid, user_os, user_os_version, user_device, user_device_type, user_country, user_state, user_city, datetime, duration, pages_count, events_count, errors_count, issue_score, referrer, issue_types, tracker_version, user_browser, user_browser_version, metadata_1, metadata_2, metadata_3, metadata_4, metadata_5, metadata_6, metadata_7, metadata_8, metadata_9, metadata_10) VALUES (?, ?, SUBSTR(?, 1, 8000), ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, SUBSTR(?, 1, 8000), ?, ?, ?, ?, SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000))",
+	"sessions":      "INSERT INTO experimental.sessions (session_id, project_id, user_id, user_uuid, user_os, user_os_version, user_device, user_device_type, user_country, user_state, user_city, datetime, duration, pages_count, events_count, errors_count, issue_score, referrer, issue_types, tracker_version, user_browser, user_browser_version, metadata_1, metadata_2, metadata_3, metadata_4, metadata_5, metadata_6, metadata_7, metadata_8, metadata_9, metadata_10, timezone) VALUES (?, ?, SUBSTR(?, 1, 8000), ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, SUBSTR(?, 1, 8000), ?, ?, ?, ?, SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), SUBSTR(?, 1, 8000), ?)",
 	"resources":     "INSERT INTO experimental.resources (session_id, project_id, message_id, datetime, url, type, duration, ttfb, header_size, encoded_body_size, decoded_body_size, success) VALUES (?, ?, ?, ?, SUBSTR(?, 1, 8000), ?, ?, ?, ?, ?, ?, ?)",
 	"autocompletes": "INSERT INTO experimental.autocomplete (project_id, type, value) VALUES (?, ?, ?)",
 	"pages":         "INSERT INTO experimental.events (session_id, project_id, message_id, datetime, url, request_start, response_start, response_end, dom_content_loaded_event_start, dom_content_loaded_event_end, load_event_start, load_event_end, first_paint, first_contentful_paint_time, speed_index, visually_complete, time_to_interactive, event_type) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
@@ -297,6 +297,7 @@ func (c *connectorImpl) InsertWebSession(session *sessions.Session) error {
 		session.Metadata8,
 		session.Metadata9,
 		session.Metadata10,
+		session.Timezone,
 	); err != nil {
 		c.checkError("sessions", err)
 		return fmt.Errorf("can't append to sessions batch: %s", err)