# TDUPDATE System Variable [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [System Variables](Help%20System/GSTARCAD/2026/System%20Variables/(System%20Variables).md) **Function Description:** The TDUPDATE system variable is used to store the last update or saved local time and date. (Read-Only) | | | | --- | --- | | Type | Real | | Saved in | Drawing | | Initial value | Unknown | --- [Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/systemVariables/TDUPDATE.html) · © Gstarsoft Co., Ltd.