15 April 2026

• 105th day of the year. There are then 260 days left in 2026.
• 15th Wednesday of 2026.
• on the 16th week of 2026 (using ISO standard week number calculation).
• Birthstone for this day: Diamond and Crystal

There are no major holidays or observances in Australia for this date.

• World Art Day - Popular in: United States, India, United Kingdom
• Tax Day (Taxes Due) - United States
• Birthday of King Philip (Verjaardag van Koning Filip) - Belgium
• Jackie Robinson Day - Popular in: United States, Canada
• National Poet Day (Día del Poeta Peruano) - Peru
• Biomedical Science Day - United Kingdom
• National Canadian Film Day - Canada