18 May 2024

• 139th day of the year. There are then 227 days left in 2024.
• 20th Saturday of 2024.
• on the 20th week of 2024 (using ISO standard week number calculation).
• Birthstone for this day: Emerald

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

• International Museum Day - Popular in: United States, India, United Kingdom, Canada
• Pentecost Eve - Norway, Sweden
• Armed Forces Day - United States
• Haitian Flag Day - United States
• Día de la Escarapela (Argentina) - Argentina
• Lazybones Day (Luilak) - Netherlands
• Dia Nacional do Combate ao Abuso e Exploração Sexual de Menores - Brazil
• Batalla de Las Piedras - Uruguay