[UPD]Update display name session

models/event_session.py

@@ -87,6 +87,16 @@ class EventSession(models.Model):
     # ------------------------------------------------------
     # Computed fields / Search Fields
     # ------------------------------------------------------
+    @api.depends("date_begin_located", "date_tz", "session_name")
+    def _compute_display_name(self):
+        with_event_name = self.env.context.get("with_event_name", True)
+        for rec in self:
+            name = f"{rec.session_name}, " if with_event_name else ""
+            name += rec.date_begin_located
+            if rec.date_tz != self.env.user.tz:
+                name += f" ({rec.date_tz})"
+            rec.display_name = name
+
     @api.depends("date_begin", "date_end")
     def _compute_duration(self):
         for session in self: