gantt fix
diff --git a/erpnext/projects/doctype/timesheet/timesheet.py b/erpnext/projects/doctype/timesheet/timesheet.py
index 8b08df8..908faf5 100644
--- a/erpnext/projects/doctype/timesheet/timesheet.py
+++ b/erpnext/projects/doctype/timesheet/timesheet.py
@@ -369,7 +369,7 @@
conditions = get_conditions(filters)
return frappe.db.sql("""select `tabTimesheet Detail`.name as name,
`tabTimesheet Detail`.docstatus as status, `tabTimesheet Detail`.parent as parent,
- from_time, hours, activity_type, project, to_time
+ from_time as start_date, hours, activity_type, project, to_time as end_date
from `tabTimesheet Detail`, `tabTimesheet`
where `tabTimesheet Detail`.parent = `tabTimesheet`.name
and `tabTimesheet`.docstatus < 2