18 days are past since May 31, 2025
| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 31 May | Saturday | Armed Forces Day | Brunei Darussalam | Public |
| 31 May | Saturday | Dragon Boat Festival | China , Hong Kong , Macao , Thailand , Taiwan | Public |
| 31 May | Saturday | Surinal | North Korea | Public |
| 31 May | Saturday | World No Tobacco Day | global | Other |
| 31 May | Saturday | Mid-Year Festival | Vietnam | Non Public |