Argentina
| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 16 Apr | Wednesday | Fourth Day of Passover | Argentina | Not public |
| 16 Apr | Wednesday | Fourth Day of Pesach | Israel | Not public |
| 16 Apr | Wednesday | Second Day of the Sun | North Korea | Public |
| 16 Apr | Wednesday | Third Day of the Lao New Year | Laos | Public |
| 16 Apr | Wednesday | Fourth Day of the Water Festival | Myanmar | Public |
| 16 Apr | Wednesday | Holy Wednesday | El Salvador | Not public |
| 16 Apr | Wednesday | Fourth Day of Tourism Week | Uruguay | Not public |