399 days are left until May 31, 2026
| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 31 May | Sunday | Mother's Day | Burkina Faso , Ivory Coast , Cameroon , Dominican Republic , Algeria , Western Sahara , France , Haiti , Morocco , Madagascar , Mali , Mauritius , Niger , Sweden , Senegal , French Southern Territories , Tunisia | Non Public |
| 31 May | Sunday | Armed Forces Day | Brunei Darussalam | Public |
| 31 May | Sunday | Orthodox Pentecost | Cyprus , Greece , Romania | Non Public |
| 31 May | Sunday | World No Tobacco Day | global | Other |
| 31 May | Sunday | Sixth Day of the Feast of the Sacrifice | Saudi Arabia | Non Public |
| 31 May | Sunday | Carpet Day | Turkmenistan | Public |
| 31 May | Sunday | Buddha's Birthday | Taiwan , Vietnam | Non Public |
| 31 May | Sunday | Kiev Day | Ukraine | Non Public |
| 31 May | Sunday | Orthodox Pentecost (Suspended) | Ukraine | Public |
| 31 May | Sunday | Trinity Sunday | United States | Non Public |