This is a state public holiday in Negeri Sembilan to celebrate the official birthday of the Yang di-Pertuan Besar. The ruler of Negeri Sembilan is unique as he is elected by the Undang Yang Empat (the four territorial chiefs) according to the Adat Perpatih (matrilineal) system.
| Year | Date | Day | Status |
|---|---|---|---|
| 2026 | January 14, 2026 | Wednesday | Passed |