Armed Forces Day is a public holiday in Brunei, known locally as Hari Angkatan Bersenjata Diraja Brunei.
In 2026 it falls on Sunday 31 May, with a substitute day off on Monday 1 June; in 2027 on Monday 31 May.
The date is fixed, so only the weekday changes from year to year.
10 other countries in our calendar also have Armed Forces Day as a public holiday.
Dates, 2025 to 2028
| Year | Date | Weekday | Note |
|---|---|---|---|
| 2025 | 31 May | Saturday weekend | |
| 2026 | 31 May | Sunday weekend | |
| 2026 | 1 June | Monday long weekend | observed (moved) |
| 2027 | 31 May | Monday long weekend | |
| 2028 | 31 May | Wednesday |