24 May 2027

• 144th day of the year. There are then 221 days left in 2027.
• 21st Monday of 2027.
• on the 21st week of 2027 (using ISO standard week number calculation).
• Birthstone for this day: Emerald

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

• National Brother's Day - Popular in: United States, India
• Bulgaria: Saint Cyril & Methodius Day (Ден на българската просвета и култура и на славянската писменост) - Popular in: European Union
• Education & Culture Day (Ден на Кирил и Методий) - Bulgaria
• Batalla de Pichincha - Ecuador
• Día del Completo - Chile
• Día Nacional del Concejal Municipal - Colombia
• Día del Operador de Radio - Argentina
• National Patriots' Day (QC) - Canada