13 December 2027

• 347th day of the year. There are then 18 days left in 2027.
• 50th Monday of 2027.
• on the 50th week of 2027 (using ISO standard week number calculation).
• Birthstone for this day: Turquoise & Blue Topaz

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

• Italy: Saint Lucia's Day (Il giorno di Santa Lucia) - Popular in: United Kingdom, Denmark, Spain, Norway, Sweden
• Green Monday - United States
• Republic Day (Jum ir-Repubblika) - Malta
• National Cocoa Day - United States
• National Day Of The Horse - United States